Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
theo chieu » theo tieu, ho chieu, theo chu
va truong » van truong, xa truong, va thuong
theo yeu » theo tieu, thiet yeu, theo chu
anh sang » lanh sang, anh bang, anh dang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo yeu) or (theo chieu)) tinh - ((anh sang) or (anh huong)) va truong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo yeu) OR (theo chieu)) tinh - ((anh sang) OR (anh huong)) va truong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo yeu) or (theo chieu)) tinh - ((anh sang) or (anh huong)) va truong cong tac toan cau*.