Perhaps you should try some spelling variations:
chat hoc » chat hoa, chat thom, cho hoc
hieu van » hieu va, thien van, lieu va
van dinh » van minh, van dich, va dinh
dinh lai » dinh lam, dinh lap, dinh tai
chau tre » chay tren, chau tho, cho tre
te sach » toc sach
ty nang » ky nang, ty hang, ly nang
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van

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 ((ty nang) OR (ty xang)) chat hoc. hieu van cam xuc van dinh lai chau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty nang) OR (ty xang)) chat hoc. hieu van cam xuc van dinh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) OR (ty xang)) chat hoc. hieu van cam xuc van dinh lai chau tre*.