Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
tranh thuc » trinh thuc, trang thuc, thanh thuy
xuong cong » luong cong, duong cong, cuong cong
xung cong » dung cong, luong cong, duong cong
ho chieu » hoc thieu, doi chieu, mot chieu
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: ((theo chieu) OR (ho chieu)) xanh - canh tranh thuc ((xung cong) or (xuong cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - canh tranh thuc ((xung cong) OR (xuong cong)) tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) xanh - canh tranh thuc ((xung cong) or (xuong cong)) tan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) xanh - canh tranh thuc ((xung cong) or (xuong cong)) tan toan ban*.