Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, ho chieu, mot chieu
trung cap » truong cao, trung tam
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang
hanh lap » thanh lap, hanh lam, hanh cap
doi chi » doi khi

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 (doi chi)) sach - thanh ((trung cap) or (trung tuan)) dung cong ban hanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - thanh ((trung cap) OR (trung tuan)) dung cong ban hanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doi chi)) sach - thanh ((trung cap) or (trung tuan)) dung cong ban hanh lap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doi chi)) sach - thanh ((trung cap) or (trung tuan)) dung cong ban hanh lap*.