Perhaps you should try some spelling variations:
thang cong » thanh cong, thang long, thong cong
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
chinh cua » chinh ca, chinh sua, hinh cua
cua thang » cua hang, cua thanh, xua thang
cong dan » cong san, cong tan, huong 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 (nhieu tang)) - hanh chinh cua thang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - hanh chinh cua thang cong dan than cau*.