Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
quan hoang » luan hoan
tien hach » thien hach, tien hanh, tien thanh
quan hang » quan lang, quan hanh, qua hang
cong tan » cong tac, cong san, cong thanh
ho tien » hoc tien, do tien, ho mien
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho tien hach - hanh trinh ((quan hang) or (quan hoang)) cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho tien hach - hanh trinh ((quan hang) OR (quan hoang)) cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ho tien hach - hanh trinh ((quan hang) or (quan hoang)) cong tan van ban*.