Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh van » tran van, trinh van, thanh van
hang cong » dang cong, hang nong, bang cong
van hang » van khang, van hoang, van thang
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (tien thanh)) - canh tranh van hang cong san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (tien thanh)) - canh tranh van hang cong san phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (tien thanh)) - canh tranh van hang cong san phan cac*.