Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh luan
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
phan cau » phan dau, phan cac, phan lap

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 cua) or (trinh quan)) dung cong ban ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trinh cua) OR (trinh quan)) dung cong ban ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trinh cua) or (trinh quan)) dung cong ban ((phan cau) or (phan tu))*.