Perhaps you should try some spelling variations:
thanh trung » thanh tung
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
trung va » truong va, trang va, trung ha
cong tac » cong ty
tac hang » tac vang, bac thang, tac chong
va tong » va thong, va tuong, va trong
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) xanh - thanh trung va tong cong tac hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) xanh - thanh trung va tong cong tac hang ca.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) xanh - thanh trung va tong cong tac hang ca*.