Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
thanh van » thanh san, thanh toan, thanh phan
tran van » luan van
dan hang » van hang, dat hang, dai hang
ban hang » ngan hang

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