Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
cua viet » hoa viet, cua vat, cua dieu
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
ca viet » va viet, co viet, hoa viet
sinh y » sinh ly
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho sinh y nang ma hoi. lieu va cham truc va hanh vi ((cua viet) OR (ca viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho sinh y nang ma hoi. lieu va cham truc va hanh vi ((cua viet) OR (ca viet))".
• Adding a wildcard symbol may retrieve word variants: cho sinh y nang ma hoi. lieu va cham truc va hanh vi ((cua viet) OR (ca viet))*.