Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh trinh » canh tranh, hanh chinh
trinh vap » trinh van, trinh vat, trinh va
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
vap dung » van dung, ap dung, va dung
tan cau » toan cau, van cau, tan ca
van hau » van ha, van hai, van dau

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 sang) or (chieu xanh)) - hanh trinh vap dung cong vang ((tan cau) or (van hau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - hanh trinh vap dung cong vang ((tan cau) OR (van hau)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu xanh)) - hanh trinh vap dung cong vang ((tan cau) or (van hau))*.