Perhaps you should try some spelling variations:
"layer building capacity" » "layer holding capacity", "career building capacity", "other building capacity", "liehr building capacity"
"stair building capacity" » "stair holding capacity", "state building capacity"
"layer bearing capacity" » "layer carrying capacity", "layer holding capacity", "layers tearing capacity", "layer heating capacity", "layer searching 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 building capacity") or ("layer bearing capacity"))) or ("stair building capacity"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("layer building capacity") OR ("layer bearing capacity"))) OR ("stair building capacity")).
• Removing quotes may allow a broader search: (((( layer building capacity ) or ( layer bearing capacity ))) or ( stair building capacity )).
• Adding a wildcard symbol may retrieve word variants: (((("layer building capacity") or ("layer bearing capacity"))) or ("stair building capacity"))*.