Perhaps you should try some spelling variations:
dao thuc » dan thuc, dao tuc, do thuc
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
danh vi » dinh vi, danh di, danh va
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va dao » ca dao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky tang xa hoi. hieu va dao thuc vat ((danh vi) OR (hanh vi)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky tang xa hoi. hieu va dao thuc vat ((danh vi) OR (hanh vi)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ky tang xa hoi. hieu va dao thuc vat ((danh vi) OR (hanh vi)) cua te*.