Perhaps you should try some spelling variations:
thanh tung » thanh cong
hanh trung » thanh trung, hanh trang, manh trung
trong manh » trong minh, trong anh, trong mach
hieu lang » chieu sang, hieu quang, nhieu tang
manh toan » thanh toan, anh tuan, tinh toan
dan dung » van dung, tin dung, ap dung
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((hanh trung) or (thanh tung)) dan dung trong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((hanh trung) OR (thanh tung)) dan dung trong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((hanh trung) or (thanh tung)) dan dung trong manh toan cau*.