Perhaps you should try some spelling variations:
phan tai » pham tai, nhan tai, phan thi
te sach » toc sach
tai cua » thai cua, tai cuc, tri cua
va phan » van phan, va phat, va phap
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
tuc va » thuc va, truc va, tuc xa
tu san » thu san, tu ban, tu can
va cam » va cham, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (tu san)) ky tang xa hoi. hieu ((va cam) or (va cac)) tuc va phan tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (tu san)) ky tang xa hoi. hieu ((va cam) OR (va cac)) tuc va phan tai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (tu san)) ky tang xa hoi. hieu ((va cam) or (va cac)) tuc va phan tai cua tre*.