Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
trung va » truong va, trang va, trung ha
dan chan » dan gian, dan ca, van chat
ban than » ban thanh, van thanh, ban hang

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 sach - thanh trung va ((nhung cong) or (hang cong)) ((dan chan) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh trung va ((nhung cong) OR (hang cong)) ((dan chan) OR (ban than)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - thanh trung va ((nhung cong) or (hang cong)) ((dan chan) or (ban than)) cao*.