Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
ky lang » ky dang, ky tang, tay lang
cac tuc » cac toc, cac tu, cac tac
dan tai » van tai, dan thi, han tai
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
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: tu sach ((ky lang) OR (ky nang)) xa hoi. lieu va cac tuc va dan tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky lang) OR (ky nang)) xa hoi. lieu va cac tuc va dan tai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky lang) OR (ky nang)) xa hoi. lieu va cac tuc va dan tai cua tre*.