Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung tam, tran tuan, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
nong ban » nong san, dong ban, nong van
nong dan » cong dan, nong san, nguong dan
hang dau » hang va, hang tai

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 ((trung tuan) OR (trung thanh)) cong ((nong ban) or (nong dan)) hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((trung tuan) OR (trung thanh)) cong ((nong ban) OR (nong dan)) hang dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh ((trung tuan) OR (trung thanh)) cong ((nong ban) or (nong dan)) hang dau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((trung tuan) OR (trung thanh)) cong ((nong ban) or (nong dan)) hang dau*.