Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
chinh cua » chinh ca, chinh sua, hinh cua
long doan » cong doan, dong doanh, rong doanh
cua dang » cua cong, cua ban
long dan » cong dan, nong dan, long van
toan cau » toan cao, toan ban, toan tap

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 dang ((long dan) OR (long doan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - hanh chinh cua dang ((long dan) OR (long doan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (nhieu tang)) - hanh chinh cua dang ((long dan) OR (long doan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (nhieu tang)) - hanh chinh cua dang ((long dan) OR (long doan)) toan cau*.