Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chieu sach)) - hanh trinh vat dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - hanh trinh vat dung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - hanh trinh vat dung cong tac toan cao*.