Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty
tan thai » tay thai, ban thai, tan tai
thai cao » tai cao, thoai cac, thuat cao
cong va » dong va, cong ha, luong 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 xanh - thanh ((cong va) OR (cong tac)) hang cong tan thai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((cong va) OR (cong tac)) hang cong tan thai cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((cong va) OR (cong tac)) hang cong tan thai cao*.