Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
hieu lang » hieu quang, nhieu tang, hieu van
dung cong » dung trong
tung vat » dung vat, tang vat, tung va
vat dung » van dung, va dung, viet dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (((hieu lang) OR (chieu sang)))) - thanh tung vat dung cong tac toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (((hieu lang) OR (chieu sang)))) - thanh tung vat dung cong tac toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (((hieu lang) OR (chieu sang)))) - thanh tung vat dung cong tac toan cao*.