Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chat xuc » chat huu, cam xuc, chao xu
van chat » cao chat
dinh vi » dinh ve, dinh viet, dinh tri
va dinh » van dinh, va kinh, va tinh
su sach » so sach, vu sach
ty nang » ky nang, ty xang, ty hang
te sach » toc sach
lua tre » cua tre, luy tre, dua tren
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc va
vi lua » vi luu
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: ((su sach) or (te sach)) ty nang o hoi. hieu van chat xuc va dinh vi lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ty nang o hoi. hieu van chat xuc va dinh vi lua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ty nang o hoi. hieu van chat xuc va dinh vi lua tre*.