Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trung chua » trung cua, trong chuan, trung hoa
dong cong » duong cong, dung cong, dang cong
ho chieu » hoc thieu, doi chieu, mot chieu
trung ha » trung hoc, trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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 (theo chieu)) xanh - thanh ((trung chua) OR (trung ha)) dong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh ((trung chua) OR (trung ha)) dong cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - thanh ((trung chua) OR (trung ha)) dong cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh ((trung chua) OR (trung ha)) dong cong tan toan ban*.