Perhaps you should try some spelling variations:
hang nguong » hang nguon, hang thuong, hang nong
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
chinh tai » chinh tri
nguong va » nguong dan, luong va, truong va
chinh ca » chinh ta, chinh va, chinh cho
toan cau » toan cao, toan ban, toan tap
va toan » van toan, bai toan, tap toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho ((hieu lang) or (nhieu tang)) - hanh ((chinh ca) or (chinh tai)) hang nguong va toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho ((hieu lang) OR (nhieu tang)) - hanh ((chinh ca) OR (chinh tai)) hang nguong va toan cau.
• Adding a wildcard symbol may retrieve word variants: nho ((hieu lang) or (nhieu tang)) - hanh ((chinh ca) or (chinh tai)) hang nguong va toan cau*.