Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh van » trinh han, trinh quan, trinh toan
hang cong » dang cong, hang nong, bang cong
trinh va » trinh vat, trinh ve, trinh vi
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan tu » phan tu, han tu, chon tu

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 - canh ((trinh va) or (trinh van)) hang cong dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh ((trinh va) OR (trinh van)) hang cong dan chan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((trinh va) or (trinh van)) hang cong dan chan tu*.