Perhaps you should try some spelling variations:
hieu cua » hieu qua, dieu cua, bieu cua
van hanh » van thanh, ban hanh, van anh
nang ma » tang ma, sang ma, nang cao
cac xuc » cam xuc, cac nuoc, chat xuc
va tinh » may tinh
va hanh » va thanh, va danh, ban hanh
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
ca cuu » cap cuu, cua cuu, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ma hoi. hieu cua cac xuc ((va tinh) or (((va hanh) OR (van hanh)))) ca cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ma hoi. hieu cua cac xuc ((va tinh) OR (((va hanh) OR (van hanh)))) ca cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ma hoi. hieu cua cac xuc ((va tinh) or (((va hanh) OR (van hanh)))) ca cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ma hoi. hieu cua cac xuc ((va tinh) or (((va hanh) OR (van hanh)))) ca cuu tre*.