Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhan thong » nhan trong, nha thong, nhan khong
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
thong tu » phong tuc, thong tin, thong ke
toan cau » toan cao, toan ban, toan tap
tu dung » tuc dung, tu duong, su dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chieu xanh)) - nhan thong tu dung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - nhan thong tu dung cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - nhan thong tu dung cong tinh toan cau*.