Perhaps you should try some spelling variations:
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
nhan dang » nhan dan, phan dang, tran dang
cua thong » cua thuong, cua khong, suat thong
san chang » ban hang, dan chan, van khang
chang ban » hang ban, chang ran, chang nang
cua tong » cua cong, cua dong, cua nong
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: theo chua xang - nhan dang ((cua thong) or (cua tong)) cong san chang ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - nhan dang ((cua thong) OR (cua tong)) cong san chang ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - nhan dang ((cua thong) or (cua tong)) cong san chang ban*.