Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
toc sach » hoc sach, doc sach, thuoc sach
hanh tai » thanh tai, hang tai, han tai
chat xuc » chat huu, cam xuc, chao xu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (((te sach) or (toc sach)))) ky nang xa hoi. hieu ve chat xuc va hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (((te sach) OR (toc sach)))) ky nang xa hoi. hieu ve chat xuc va hanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (((te sach) or (toc sach)))) ky nang xa hoi. hieu ve chat xuc va hanh tai cuu tre*.