Perhaps you should try some spelling variations:
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac duc » cac du, cao duc, cac dac
duc ban » duc tan, duc van, dua ban
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
vi cua » vai cua, di 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 dan ky nang xa hoi. hieu qua cac duc ban hanh vi cua vat~.
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang xa hoi. hieu qua cac duc ban hanh vi cua vat*.