Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
dua van » duy van, dua vao, duc van
tu ban » thu ban, te ban
ban ky » van ky, dan ky
qua ca » qua cac, qua cua, qua cai
ca dua » cay dua, ca cua, ca da
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 ban ky lang xa hoi. hieu qua ca dua van hanh vi cua vat~.
• Adding a wildcard symbol may retrieve word variants: tu ban ky lang xa hoi. hieu qua ca dua van hanh vi cua vat*.