Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong tach » cong sach, cong thanh, cong tan
chi xanh » chi anh, chi hanh, chieu xanh
chi danh » chi dan, chi anh, chi dinh
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
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: doi ((chi xanh) or (chi danh)) - hanh trinh cua bang ((cong tach) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi danh)) - hanh trinh cua bang ((cong tach) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi danh)) - hanh trinh cua bang ((cong tach) or (cong tac)) toan cao*.