Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
nhung don » nhung van, nhung bo
hang cong » dang cong, hang nong, bang cong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu va) or (chinh sach)) - hanh trung cua ((nhung don) or (hang cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu va) OR (chinh sach)) - hanh trung cua ((nhung don) OR (hang cong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu va) or (chinh sach)) - hanh trung cua ((nhung don) or (hang cong)) dan than cap*.