Perhaps you should try some spelling variations:
tuong quan » truong quan, thong quan, luong quan
tung quan » trung quan, dung quan, tong quan
hanh dong » anh dong, ha dong
dong dan » dong danh, duong dan, dong san
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
ki tinh » vi tinh, bi tinh, ki sinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((ki tinh) or (vi sinh)) - thanh ((tung quan) or (tuong quan)) hanh dong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((ki tinh) OR (vi sinh)) - thanh ((tung quan) OR (tuong quan)) hanh dong dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((ki tinh) or (vi sinh)) - thanh ((tung quan) or (tuong quan)) hanh dong dan than cap*.