Perhaps you should try some spelling variations:
dai thuc » dan thuc, dai thu, dai thua
thuc van » thuc vat, thuc dan, thuc va
van tuan » van quan, van ban, anh tuan
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
tuan di » tuan do, truan doi, quan doi
cuu tre » cua tre, cau tren, cau treo
va dai » va dao, vi dai, va dau
di cuu » di cau, di cua, dinh cuu

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 tuan di cuu 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 tuan di cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ly nang) or (ty xang)) xa hoi. lieu va dai thuc van tuan di cuu tre*.