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
tuong dan » huong dan, tung dan, xuong dan
trinh va » trinh van, trinh ve, trinh vi
dung dan » dung dat, dung san, tung dan
toan cau » 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: doi chieu xanh - hanh ((trinh va) or (trinh vat)) nhung ((tuong dan) or (dung dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trinh va) OR (trinh vat)) nhung ((tuong dan) OR (dung dan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trinh va) or (trinh vat)) nhung ((tuong dan) or (dung dan)) toan cau*.