Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
hoang cong » hang cong, hoang long, hoang vuong
hien xanh » chieu xanh, hien khanh, khien canh
hien hanh » dieu hanh
tranh van » tran van, trinh van, thanh van
van hoang » van hoan, quan hoang, tran hoang
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 (hien hanh))) or (hien nhanh)) - canh tranh van hoang cong san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien xanh) OR (hien hanh))) OR (hien nhanh)) - canh tranh van hoang cong san phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien xanh) OR (hien hanh))) or (hien nhanh)) - canh tranh van hoang cong san phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) OR (hien hanh))) or (hien nhanh)) - canh tranh van hoang cong san phan cac*.