Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
truong va » truong dai, truong cao, truong dao
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 » trang va, trung ha, trung tam
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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) OR (truong va)) ((nhung cong) or (hang cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh ((trung va) OR (truong va)) ((nhung cong) OR (hang cong)) dan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - thanh ((trung va) OR (truong va)) ((nhung cong) or (hang cong)) dan than cao".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - thanh ((trung va) OR (truong va)) ((nhung cong) or (hang cong)) dan than cao*.