Perhaps you should try some spelling variations:
care documentation » fao documentation, a documentation, de documentation
documentation 1 » documentation _, documentation a, documentation 2
scale testing » scale fishing
scar using » car using, sugar using, scale using
1 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: ((scar using) or (scale testing)) care documentation 1 curtan-metragem~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((scar using) OR (scale testing)) care documentation 1 curtan-metragem.
• Adding a wildcard symbol may retrieve word variants: ((scar using) or (scale testing)) care documentation 1 curtan-metragem*.