Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hien sach » dien sach, kien sach, thien hach
trung cua » trung tuan, trung cap, dung cua
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
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: hoc hien sach - thanh ((trung cua) or (truong cua)) nhung cong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh ((trung cua) OR (truong cua)) nhung cong ban than cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh ((trung cua) or (truong cua)) nhung cong ban than cao*.