Perhaps you should try some spelling variations:
thanh tong » thanh cong, thanh tung, thanh long
nhung cong » dung cong, thong cong, nhung don
doi chieu » doc hieu, doi chi, ho chieu
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
tong thi » trong thi, tang thi, dong thi
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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: ((doi chieu) or (theo chu)) sach - thanh tong thi ((nhung cong) or (hang cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chu)) sach - thanh tong thi ((nhung cong) OR (hang cong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chu)) sach - thanh tong thi ((nhung cong) or (hang cong)) dan than cau*.