Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
cua thong » cua thuong, cua khong, cua tong
cong tacg » cong tang, cong thang, cong tan
ho chieu » hoc thieu, doi chieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
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 tung cua thong ((cong tac) or (cong tacg)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh tung cua thong ((cong tac) OR (cong tacg)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh tung cua thong ((cong tac) or (cong tacg)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh tung cua thong ((cong tac) or (cong tacg)) toan ban*.