Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
theo yeu » theo tieu, thiet yeu, theo chu
trung va » truong va, trang va, trung ha
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 (theo yeu)) xanh - thanh trung va ((tong cong) OR (cong cong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - thanh trung va ((tong cong) OR (cong cong)) tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo yeu)) xanh - thanh trung va ((tong cong) OR (cong cong)) tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo yeu)) xanh - thanh trung va ((tong cong) OR (cong cong)) tinh toan ban*.