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
trinh vi » trinh va, trinh ve, trinh viet
trong ca » trong cac, trong nha
than tap » toan tap, han tap, phan tap
ca than » cay than, ca nhan, ca thai

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 vat) or (trinh vi)) dung trong ca than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trinh vat) OR (trinh vi)) dung trong ca than tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trinh vat) or (trinh vi)) dung trong ca than tap*.