Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
qua gia » quy gia, cua gia, quang gia
gia duc » giao duc, gia muc, gia thuc
tinh vi » trinh vi, tinh voi, dinh vi
tinh va » tich va, trinh van, trinh vat
tu ban » thu ban, te ban
ban ky » van ky, dan ky
cua te » cua tu

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 nang xa hoi. hieu qua gia duc va ((tinh vi) or (tinh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky nang xa hoi. hieu qua gia duc va ((tinh vi) OR (tinh va)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu ban ky nang xa hoi. hieu qua gia duc va ((tinh vi) or (tinh va)) cua te*.