Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan trong » gian trong
doi chieu » doc hieu, doi chi, ho chieu
san thanh » ban thanh, van thanh, son thanh
san than » sang than, ban than, van than

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 xanh - hanh trinh quan trong cong ((san than) or (san thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh quan trong cong ((san than) OR (san thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh quan trong cong ((san than) or (san thanh)) cau*.