Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc dieu
tranh qua » tranh cua, thanh qua, trinh qua
trong tan » trong quan, trong cac, trong ca
qua dung » quang dung, su dung, qua song
tran ban » tranh ban, tran van, toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - hanh tranh qua dung ((trong tan) OR (thong quan)) tran ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc hien)) xanh - hanh tranh qua dung ((trong tan) or (thong quan)) tran ban~".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc hien)) xanh - hanh tranh qua dung ((trong tan) or (thong quan)) tran ban*.