Perhaps you should try some spelling variations:
thien van » thi van
nam thuc » nam thuoc, am thuc, nam thu
vai cuu » vai cua
dan vai » dan va, dan tai, dan vat
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
sach ky » sach y, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
sac ky » cac ky, sai ky
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ky) or (sac ky)) lang xa hoi. ((lieu va) or (thien van)) nam thuc va dan vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sac ky)) lang xa hoi. ((lieu va) OR (thien van)) nam thuc va dan vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) or (sac ky)) lang xa hoi. ((lieu va) or (thien van)) nam thuc va dan vai cuu tre*.