Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
dai thuc » dan thuc, dai thu, dai thua
thuc van » thuc vat, thuc dan, thuc va
thanh da » thanh dat, thanh dam, thanh dan
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
cau tre » cau tren, cau treo, cau tra
va dai » va dao, vi dai, va dau
da cau » dat cau, va cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ly nang) or (ty xang)) xa hoi. lieu va dai thuc van thanh da cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ly nang) OR (ty xang)) xa hoi. lieu va dai thuc van thanh da cau tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ly nang) or (ty xang)) xa hoi. lieu va dai thuc van thanh da cau tre*.