Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
lang van » dang van, tang van, hoang van
cham xuc » cam xuc, chat xuc, pham duc
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu

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 ky lang van hoi. hieu qua ((cham xuc) or (cham soc)) va hanh di cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky lang van hoi. hieu qua ((cham xuc) OR (cham soc)) va hanh di cua tu.
• Adding a wildcard symbol may retrieve word variants: toc sach ky lang van hoi. hieu qua ((cham xuc) or (cham soc)) va hanh di cua tu*.