Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
thuat nhung » thuat hung, thuat chung, thuat chuong
theo chieu » ho chieu, theo chu
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, thi hien
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 chieu) or (thi chieu))) or (theo tieu)) xanh - hanh trinh thuat nhung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo chieu) OR (thi chieu))) OR (theo tieu)) xanh - hanh trinh thuat nhung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) or (thi chieu))) or (theo tieu)) xanh - hanh trinh thuat nhung cong tac toan cao*.