Perhaps you should try some spelling variations:
thanh tung » thanh cong
mot chieu » doi chieu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan can » toan can, tan van, ban can
can cau » van cau, ban cau, ca cau

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 (ho chieu)) xanh - ((thanh trung) OR (thanh tung)) cua dung cong tan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) xanh - ((thanh trung) OR (thanh tung)) cua dung cong tan can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (ho chieu)) xanh - ((thanh trung) OR (thanh tung)) cua dung cong tan can cau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) xanh - ((thanh trung) OR (thanh tung)) cua dung cong tan can cau*.