Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cong nong » cong dong, cong cong, cong trong
hinh cua » chinh cua, sinh cua, tinh cua
nong san » cong san, dong san, nong dan
toan tai » toan tap, doanh tai, toan ban
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: nho ((hieu lang) OR (nhieu tang)) - hanh hinh cua cong nong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho ((hieu lang) OR (nhieu tang)) - hanh hinh cua cong nong san ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho ((hieu lang) OR (nhieu tang)) - hanh hinh cua cong nong san ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: nho ((hieu lang) OR (nhieu tang)) - hanh hinh cua cong nong san ((toan tai) or (toan cao))*.