Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
theo chu » theo chieu, cho chu, chao chu
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, song van, cong tan
cong san » cong tac
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: ((hoc hien) or (theo chu)) xanh - hanh trang cua dung ((cong van) OR (cong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo chu)) xanh - hanh trang cua dung ((cong van) OR (cong san)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (theo chu)) xanh - hanh trang cua dung ((cong van) OR (cong san)) than cap".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (theo chu)) xanh - hanh trang cua dung ((cong van) OR (cong san)) than cap*.