Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu manh » chieu xanh, hieu nganh, dieu hanh
trong ban » trong san, trong tan, trong quan
hoc hieu » hoc thieu, hoc hien, doc hieu
cua dung » cua dang, cua dong, qua dung
ban tran » ban trang, tan tran, ban than
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((hanh tranh) or (thanh trung)) cua dung trong ban tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh tranh) OR (thanh trung)) cua dung trong ban tran cao.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh tranh) or (thanh trung)) cua dung trong ban tran cao*.