Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh vat » trinh van, trinh luat, sinh vat
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh
tan phat » tuan phat, van phat, tam phat
phat cau » phan cau, pha cau, phap cau

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 ((tranh va) or (trinh vat)) nhung cong tan phat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh ((tranh va) OR (trinh vat)) nhung cong tan phat cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((tranh va) or (trinh vat)) nhung cong tan phat cau*.