Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
chat xuc » chat huu, cam xuc, chao xu
cham xuc » cam xuc, cham soc, pham duc
hieu van » hieu va, thien van, lieu va
toc sach » hoc sach, doc sach, thuoc sach
cao hoc » co hoc, cho hoc, chat hoc
va nang » van nang, da nang, cam nang
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
v nang » vu nang, van nang, voi nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((v nang) or (va nang)) cao hoc. hieu van ((cham xuc) OR (chat xuc)) va hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((v nang) OR (va nang)) cao hoc. hieu van ((cham xuc) OR (chat xuc)) va hanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((v nang) or (va nang)) cao hoc. hieu van ((cham xuc) OR (chat xuc)) va hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: toc sach ((v nang) or (va nang)) cao hoc. hieu van ((cham xuc) OR (chat xuc)) va hanh lai cua triet*.