Perhaps you should try some spelling variations:
thanh luong » thanh huong, thanh cuong, thanh duong
thanh long » thanh cong, thang long, thanh huong
hien xanh » hien hanh, hien nhanh, chieu xanh
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap
va dang » van dang, va nang, va lang

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