Perhaps you should try some spelling variations:
nhiet nang » nhiet dong, viet nang, nhieu tang
hieu lang » chieu sang, hieu quang, nhieu tang
chinh cua » chinh ca, chinh sua, hinh cua
dang long » dang cong, nang luong, thang long
cua dang » cua cong, cua ban
long dan » long doan, cong dan, nong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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: ho ((hieu lang) or (nhiet nang)) - hanh chinh cua dang long dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhiet nang)) - hanh chinh cua dang long dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (nhiet nang)) - hanh chinh cua dang long dan than cau*.