Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
khien qua » thien quan, khien tu, thien quy
trinh han » trinh quan
hang cong » dang cong, hang nong, bang cong
han hang » hang hang, han chang, ban hang
cong san » cong tac
san phan » san pham, van phan, sat phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((khien qua) or (hieu qua)) - hanh trinh han hang cong san phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((khien qua) OR (hieu qua)) - hanh trinh han hang cong san phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((khien qua) or (hieu qua)) - hanh trinh han hang cong san phan dau*.