Perhaps you should try some spelling variations:
"layer bearing capacity" » "layer building capacity", "layer holding capacity", "layers tearing capacity", "layer heating capacity", "layer searching capacity"
"layer drying capacity" » "layer forming capacity", "layer working capacity", "layer making capacity", "lumber drying capacity", "air drying capacity"
"layer carrying capacity" » "land carrying capacity", "layer parking capacity"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("layer bearing capacity") or ((("layer carrying capacity") OR ("layer drying capacity"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("layer bearing capacity") OR ((("layer carrying capacity") OR ("layer drying capacity")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"layer bearing capacity\") or (((\"layer carrying capacity\") OR (\"layer drying capacity\"))))".
• Removing quotes may allow a broader search: (( layer bearing capacity ) or ((( layer carrying capacity ) OR ( layer drying capacity )))).
• Adding a wildcard symbol may retrieve word variants: (("layer bearing capacity") or ((("layer carrying capacity") OR ("layer drying capacity"))))*.