Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong ty
san cau » van cau, ban cau, can cau

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

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