Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong ty
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((hanh tang) or (anh tang)) cua nhung ((cong tan) OR (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh tang) OR (anh tang)) cua nhung ((cong tan) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh tang) or (anh tang)) cua nhung ((cong tan) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh tang) or (anh tang)) cua nhung ((cong tan) OR (cong thanh)) toan tap*.