Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trung » hanh trang, manh trung, danh trung
hoc chieu » hoc thieu, ho chieu, hoc dieu
dung cong » dung trong
san thanh » ban thanh, van thanh, son thanh
thanh cac » hanh cac, thanh bac, thanh ca
vap dung » van dung, ap dung, va dung
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) xanh - ((hanh trung) or (thanh trung)) vap dung cong san thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - ((hanh trung) OR (thanh trung)) vap dung cong san thanh cac.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - ((hanh trung) or (thanh trung)) vap dung cong san thanh cac*.