Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua nang » chuc nang, chua xang, kha nang
hanh dang » hanh dong, anh dang, hanh dung
van nhung » van nhuong, va nhung, van hung
dang van » hoang van, hang va
cong san » cong tac
chu han » chu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu han) or (chua nang)) - hanh dang van nhung cong san ((toan ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu han) OR (chua nang)) - hanh dang van nhung cong san ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu han) or (chua nang)) - hanh dang van nhung cong san ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chu han) or (chua nang)) - hanh dang van nhung cong san ((toan ban) OR (van ban))*.