Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh vat » trinh van, trinh luat, sinh vat
lang cong » dang cong, bang cong, hang cong
trinh va » trinh van, trinh ve, trinh vi
van than » van thanh, van thang, van tuan
ban than » ban thanh, van thanh, ban hang

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 va) OR (trinh vat)) lang cong ((van than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trinh va) OR (trinh vat)) lang cong ((van than) OR (ban than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((trinh va) OR (trinh vat)) lang cong ((van than) or (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trinh va) OR (trinh vat)) lang cong ((van than) or (ban than)) cau*.