Perhaps you should try some spelling variations:
damping factors » driving factors, acting factors, making factors
risk damping » risk mapping, drift damping, risk taking
factors can » factories can, factors case, factors a
lang yan » wang yan, wang yang, zhang yan
can siu » can asia, can spur
ka a » kai a, a a, k a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yan) or (dof skin)) ka a risk damping factors can siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang yan) OR (dof skin)) ka a risk damping factors can siu ;*.