Perhaps you should try some spelling variations:
international documentation » international cooperation, international communication, international convention
documentation chapter » documentation center, argumentation chapter, documentation fast
chapter questions » change questions, paper questions, chapter requesting
questions how » questions etc, questions _, questions a
how laser » how later, flow laser, cw laser

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 chapter questions how laser~.
• Adding a wildcard symbol may retrieve word variants: international documentation chapter questions how laser*.