Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
toc sac » toc sach, hoc sach, doc sach
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sac) or (toc san)) ky tang ma hoi. lieu va cam tuc va hanh vi ((cua te) or (va trien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sac) OR (toc san)) ky tang ma hoi. lieu va cam tuc va hanh vi ((cua te) OR (va trien)).
• Adding a wildcard symbol may retrieve word variants: ((toc sac) or (toc san)) ky tang ma hoi. lieu va cam tuc va hanh vi ((cua te) or (va trien))*.