Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
dong chuan » dong chan, dong thuan, dong chuyen
chuan dong » chua dong, chuan long, chuyen dong
hieu lang » chieu sang, hieu quang, hieu van
nhan dong » nhanh dong, nhan dang, phan dong
dong cong » duong cong, dung cong, dang cong
cong manh » cong danh, duong manh, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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