Perhaps you should try some spelling variations:
generation documentation » generating documentation, generation argumentation, conservation documentation
documentation methods » segmentation methods
methods decisions » methods decision, method decision, methods designs
david haines » david staines, david barnes, david hawkins
david rains » david robins, david main, david hawkins
david rand » david grant, david grann, david omand

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

• Performing a fuzzy search may retrieve terms with similar spellings: generation documentation methods decisions ((david haines) or (((david rains) OR (david rand))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: generation documentation methods decisions ((david haines) OR (((david rains) OR (david rand)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "generation documentation methods decisions ((david haines) or (((david rains) OR (david rand))))".
• Adding a wildcard symbol may retrieve word variants: generation documentation methods decisions ((david haines) or (((david rains) OR (david rand))))*.