Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trang va » tran van, hang va
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat
tung va » trung va, tuong va, dung va

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 - thanh ((tung va) or (trang va)) thong cong ((dan than) or (dan chan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - thanh ((tung va) OR (trang va)) thong cong ((dan than) OR (dan chan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - thanh ((tung va) or (trang va)) thong cong ((dan than) or (dan chan)) cao*.