Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tac » cong ty
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (ho chieu)) xanh - hanh ((trung tuan) or (truong cua)) nhung cong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - hanh ((trung tuan) OR (truong cua)) nhung cong tac van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) xanh - hanh ((trung tuan) or (truong cua)) nhung cong tac van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) xanh - hanh ((trung tuan) or (truong cua)) nhung cong tac van ban*.