Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trung va » truong va, trang va, trung ha
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat
tung va » tuong va, dung va, vung 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 (trung va)) nhung 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 (trung va)) nhung cong ((dan than) OR (dan chan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chua xang - thanh ((tung va) OR (trung va)) nhung cong ((dan than) or (dan chan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chua xang - thanh ((tung va) OR (trung va)) nhung cong ((dan than) or (dan chan)) cao*.