Perhaps you should try some spelling variations:
nguong tinh » khuong tinh, truong tinh, nhung tinh
dung nguong » dung nguon, dung thuong, dung nguoi
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
tranh cac » trinh cac, thanh cac, tranh cai
cac dung » cach dung, cac duong, tac dung
toan cau » 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: doi ((((chieu xanh) or (nhieu tang))) or (hieu lang)) - canh tranh cac dung nguong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu xanh) OR (nhieu tang))) OR (hieu lang)) - canh tranh cac dung nguong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu xanh) or (nhieu tang))) or (hieu lang)) - canh tranh cac dung nguong tinh toan cau*.