Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - thanh ((trung cua) or (trung tuan)) thong cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh ((trung cua) OR (trung tuan)) thong cong tac than cap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - thanh ((trung cua) or (trung tuan)) thong cong tac than cap*.