Perhaps you should try some spelling variations:
technology documentation » technology implementation, technical documentation
documentation a » documentation _, documentation fast
oil technology » cell technology, soil biotechnology, rural technology
a curtan » a curran, _ curtain, _ cartan
3 oil » _ oil, l oil

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

• Performing a fuzzy search may retrieve terms with similar spellings: 3 oil technology documentation a curtan-metragem~.
• Adding a wildcard symbol may retrieve word variants: 3 oil technology documentation a curtan-metragem*.