Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
kinh cua » sinh cua, tinh cua, dinh cua
cua hang » cua dang, cua nhung, cua cong
nong san » dong san, nong dan, trong san
cong san » cong tac
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - than kinh cua hang ((nong san) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - than kinh cua hang ((nong san) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - than kinh cua hang ((nong san) or (cong san)) toan tap*.