Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
nhung cong » dung cong, thong cong, nhung don
tran tuan » tran xuan, tran quang, tran thanh
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
tan than » tan thanh, tan tran, ban 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: theo chu sach - thanh ((trung tuan) or (tran tuan)) ((nhung cong) or (hang cong)) tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh ((trung tuan) OR (tran tuan)) ((nhung cong) OR (hang cong)) tan than cau.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - thanh ((trung tuan) or (tran tuan)) ((nhung cong) or (hang cong)) tan than cau*.