Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
van hoang » van hoan, quan hoang, tran hoang
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang
hanh cao » hanh cac, hanh cat, hanh cad
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trinh ((va hang) or (van hoang)) cong ban hanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trinh ((va hang) OR (van hoang)) cong ban hanh cao*.