Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hung thang » cang thang, hung tran
hang hang » nang hang, cang thang, lang thang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
ha dong » hoat dong, van dong
chuc » thuc, chu, chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ha dong) or (chuc nang)) - ((hang hang) OR (hung thang)) va nhung cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ha dong) OR (chuc nang)) - ((hang hang) OR (hung thang)) va nhung cong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ha dong) or (chuc nang)) - ((hang hang) OR (hung thang)) va nhung cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((ha dong) or (chuc nang)) - ((hang hang) OR (hung thang)) va nhung cong dan than cap*.