Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
hanh mang » nhanh mang, hanh trang, nhanh lang
dong manh » duong manh, dong anh, dang manh
mang cua » manh cua, dung cua, ban cua
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((nhieu tang) or (hieu lang)) - hanh mang cua cong dong manh ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - hanh mang cua cong dong manh ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((nhieu tang) or (hieu lang)) - hanh mang cua cong dong manh ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (hieu lang)) - hanh mang cua cong dong manh ((toan cau) OR (toan ban))*.