Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh vin » trinh van, trinh tin, trinh ven
hang cong » dang cong, hang nong, bang cong
trinh vi » trinh va, trinh ve, trinh viet
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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