Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cua viet » ca viet, hoa viet, cua vat
ve triet » va trien, su triet
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
soc van » hoc van, oc van, sac van
hanh di » hanh vi, hanh de, hang di
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky nang xa hoi. lieu va cham soc van hanh di ((cua viet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky nang xa hoi. lieu va cham soc van hanh di ((cua viet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang xa hoi. lieu va cham soc van hanh di ((cua viet) or (ve triet))*.