Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
thong cao » thong cac, thong cap, thong cau
nong can » nong san, nong van, nang can
nong dan » nong san, nguong dan, huong dan
cong dan » cong san, cong tan, huong dan
ban can » ban dan, ban hang, ban hanh

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 sang - thanh thong cao dang ((nong can) or (((nong dan) or (cong dan)))) ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh thong cao dang ((nong can) OR (((nong dan) OR (cong dan)))) ban can.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh thong cao dang ((nong can) or (((nong dan) or (cong dan)))) ban can*.