Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
toan cao » toan ban, toan tap
khan cap » khan ap, than cap, khoan cam

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 (trung tuan)) dung cong ty ((toan cao) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung cua) OR (trung tuan)) dung cong ty ((toan cao) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((trung cua) or (trung tuan)) dung cong ty ((toan cao) or (khan cap))*.