Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thanh vi » hanh vi, thanh va, thanh ve
va nang » van nang, da nang, cam nang
xuc gia » duc gia, luc gia, tuc gia
cuu tre » cua tre, cau tren, cau treo
v nang » vu nang, van nang, voi nang
va cam » va cham, va cac, va cao
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: thuoc sach ((v nang) OR (va nang)) xa hoi. lieu va cam xuc gia thanh vi ((cuu tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ((v nang) OR (va nang)) xa hoi. lieu va cam xuc gia thanh vi ((cuu tre) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ((v nang) OR (va nang)) xa hoi. lieu va cam xuc gia thanh vi ((cuu tre) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ((v nang) OR (va nang)) xa hoi. lieu va cam xuc gia thanh vi ((cuu tre) or (cua tu))*.