Perhaps you should try some spelling variations:
chiet tach » chieu sach
truong cua » truong ca, truong quan, truong cao
hoan thanh » hoang thanh, van thanh, quan thanh
trung cua » trung tuan, trung cap, dung cua
dung cong » dung trong
ban thanh » ban hanh, ban hang
ho chiet » ho chieu, ho thiet, hoc thiet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh ((trung cua) or (truong cua)) dung cong ((hoan thanh) or (ban thanh)) chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung cua) OR (truong cua)) dung cong ((hoan thanh) OR (ban thanh)) chu.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((trung cua) or (truong cua)) dung cong ((hoan thanh) or (ban thanh)) chu*.