Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
hieu ve » hieu va, hieu van
tinh di » tinh doi, trinh di, tinh da
va tinh » may tinh
ve cham » va cham, ve chat, vu cham
vu sach » vu bach, su sach, vu khach
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
o hoi » co hoi, o hoc, o hai

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 (toc sach))) or (vu sach)) ky nang o hoi. hieu ve cham xuc va tinh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((te sach) OR (toc sach))) OR (vu sach)) ky nang o hoi. hieu ve cham xuc va tinh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((te sach) or (toc sach))) or (vu sach)) ky nang o hoi. hieu ve cham xuc va tinh di cua tre*.