Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 (doi chieu)) xanh - thanh tung cua cong cong tac ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - thanh tung cua cong cong tac ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - thanh tung cua cong cong tac ((toan cau) or (toan tap))*.