Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chieu » ho chieu, theo chu, thi chieu
hanh hanh » hanh han, xanh hanh, nhanh thanh
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
hanh va » hang va, hanh vi

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 tieu)) xanh - hanh hanh va thong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - hanh hanh va thong cong tac than cau*.