Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
thanh van » thanh san, thanh toan, thanh phan
ho chieu » hoc thieu, doi chieu, mot chieu
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan hang » ban hang, van hang, dat hang
hang dau » hang va, hang tai

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 - canh ((tran van) or (thanh van)) thong cong dan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh ((tran van) OR (thanh van)) thong cong dan hang dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - canh ((tran van) or (thanh van)) thong cong dan hang dau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - canh ((tran van) or (thanh van)) thong cong dan hang dau*.