Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
truc van » truc va, thuc van, truc ban
nam truc » nam truoc, nam thuc, nam trung
toc sach » hoc sach, doc sach, thuoc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van han » van hanh, van phan, van nhan
han tai » hang tai, nhan tai, van tai
cuu tre » cua tre, cau treo
so sach » so sanh, bo sach, co sach
va nam » van nam, ha nam, va nay

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

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