Perhaps you should try some spelling variations:
care documentation » fao documentation, a documentation, de documentation
documentation 2 » documentation _, documentation a, documentation 1
scale testing » scale fishing
scale using » scale fishing, cattle using, muscle using
2 curtan » _ curtain, _ cartan, _ curtin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((scale using) OR (scale testing)) care documentation 2 curtan-metragem~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((scale using) OR (scale testing)) care documentation 2 curtan-metragem".
• Adding a wildcard symbol may retrieve word variants: ((scale using) OR (scale testing)) care documentation 2 curtan-metragem*.