Perhaps you should try some spelling variations:
international documentation » international cooperation, international communication, international convention
documentation farming » documentation forming, documentation learning, documentation nursing
farming precision » editing precision, using precision
precision manure » precision angle, precision makers, precision machine
manure head » failure head

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

• Performing a fuzzy search may retrieve terms with similar spellings: international documentation farming precision manure head~.
• Adding a wildcard symbol may retrieve word variants: international documentation farming precision manure head*.