Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nguong dan » huong dan
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cua nhung » va nhung
doi lieu » duoc lieu, doi chieu, du lieu
nong dan » nong san, huong dan, dong dat
cong dan » cong san, cong tan, huong dan
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - doanh doanh cua nhung ((((nong dan) OR (nguong dan))) or (cong dan)) thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - doanh doanh cua nhung ((((nong dan) OR (nguong dan))) OR (cong dan)) thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi lieu tinh - doanh doanh cua nhung ((((nong dan) OR (nguong dan))) or (cong dan)) thai cao".
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - doanh doanh cua nhung ((((nong dan) OR (nguong dan))) or (cong dan)) thai cao*.