Perhaps you should try some spelling variations:
thu dang » thu hang, thu bang, thu dong
cuu tre » cua tre, cau tren, cau treo
cam luc » cam xuc, cau luc
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
cua te » cua tu
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su dung) or (thu dang)) y nang ma hoi. hieu va cam luc va hanh vi ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su dung) OR (thu dang)) y nang ma hoi. hieu va cam luc va hanh vi ((cua te) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((su dung) or (thu dang)) y nang ma hoi. hieu va cam luc va hanh vi ((cua te) or (cuu tre))*.