Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
dong thong » thong thong, nong thon, dong thanh
thong tinh » thuong tinh, thong tin, thong minh
hieu lang » chieu sang, hieu quang, hieu van
hanh ban » thanh ban, hang ban, hanh san
cua dong » chua dong, cua cong, cua dang
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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 ban cua dong thong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - hanh ban cua dong thong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (nhieu tang)) - hanh ban cua dong thong tinh toan cau*.