Perhaps you should try some spelling variations:
tuong manh » duong manh, luong manh, tung manh
cong tuong » cong thuong, cong truong, cong trong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
manh tran » manh tuan, canh tranh, hanh trang
tran tuan » tran xuan, tran quang, tran thanh
tuan cong » thuan cong, luan cong, tran cong
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap

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)) - manh tran tuan cong tuong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - manh tran tuan cong tuong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - manh tran tuan cong tuong manh toan cao*.