Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hieu lang » hieu quang, nhieu tang, hieu van
dung cong » dung trong
tinh cua » trinh cua, sinh cua, tinh chat
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ho ((chieu xanh) or (((chieu sang) or (hieu lang)))) - nhanh tinh cua dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - nhanh tinh cua dung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((chieu sang) or (hieu lang)))) - nhanh tinh cua dung cong tan toan cau*.