Perhaps you should try some spelling variations:
population implementation » formulation implementation, computation implementation, regulation implementation
population documentation » education documentation, evaluation documentation, communication documentation
decision problem » decision problems, decision process, decision tables
basics decision » basin decision, basis decisional, based decision
problem life » problems life, problem lfp, problem link

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((population documentation) or (population implementation)) basics decision problem life~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((population documentation) OR (population implementation)) basics decision problem life.
• Adding a wildcard symbol may retrieve word variants: ((population documentation) or (population implementation)) basics decision problem life*.