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 staines » david haines, david stanley, david barnes
david main » david machin, david martin, david maya

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 main) OR (david staines))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "generation documentation methods decisions ((david main) OR (david staines))".
• Adding a wildcard symbol may retrieve word variants: generation documentation methods decisions ((david main) OR (david staines))*.