Perhaps you should try some spelling variations:
hanh thang » nhanh thang, thanh thang, hanh trang
thien quan » trien quang, lien quan, thien van
hieu quan » hieu qua, lieu quan, lien quan
nang cong » nang song, dang cong, bang cong
thang va » hang va, trang va, thong va
dan chan » dan gian, dan ca
van chat » cao chat
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu quan) or (thien quan)) - hanh thang va nang cong ((dan chan) OR (van chat)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu quan) OR (thien quan)) - hanh thang va nang cong ((dan chan) OR (van chat)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu quan) or (thien quan)) - hanh thang va nang cong ((dan chan) OR (van chat)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu quan) or (thien quan)) - hanh thang va nang cong ((dan chan) OR (van chat)) ban*.