Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
cao tang » cao dang
nong san » cong san, dong san, nong dan
than cap » khan cap, thanh lap, thanh cac
toan cao » toan ban, toan tap
ha tang » phap tang, kho tang, ha giang

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 ((ha tang) or (cao tang)) nong san ((than cap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung ((ha tang) OR (cao tang)) nong san ((than cap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung ((ha tang) or (cao tang)) nong san ((than cap) or (toan cao))*.