Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
va triet » va thiet, va trien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
thuc gia » thuc giai, thue gia, thuc dia
cua tre » cua te, cuu tre, cua triet
so sach » so sanh, bo sach, co sach
hieu va » lieu va, hieu qua
ly nang » ky nang, ly hang, ly vang
va cach » va cac
v nang » va nang, vu nang, van nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((ly nang) OR (v nang)) xa hoi. hieu va cach thuc gia thanh vi ((cua tre) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ly nang) OR (v nang)) xa hoi. hieu va cach thuc gia thanh vi ((cua tre) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: so sach ((ly nang) OR (v nang)) xa hoi. hieu va cach thuc gia thanh vi ((cua tre) OR (va triet))*.