Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuc van » thuc vat, thuc dan, thuc va
nang mai » nang ma, nang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
van hanh » van thanh, ban hanh, van anh
so sach » so sanh, bo sach, co sach
su tien » su kien, su hien, tu tieng
qua cam » qua cham, qua cac, qua cai
y nang » ky nang, ly nang, v nang
qua ca » qua cac, qua cua, qua cai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang mai khoi. hieu ((qua cam) OR (qua ca)) thuc van hanh vi ((cua triet) OR (su tien))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang mai khoi. hieu ((qua cam) OR (qua ca)) thuc van hanh vi ((cua triet) or (su tien))~".
• Adding a wildcard symbol may retrieve word variants: so sach y nang mai khoi. hieu ((qua cam) OR (qua ca)) thuc van hanh vi ((cua triet) or (su tien))*.