Perhaps you should try some spelling variations:
bach dan » bach dang, bac dan, bach van
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
anh vi » hanh vi, anh va, anh ve
vi su » va su, ve su, ki su
kien* » bien*, vien*, tien*

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((bach dan) or (cach mang)) nang xa hoi. hieu ve cham ((xuc ban) OR (cuc ban)) anh vi su kien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((bach dan) OR (cach mang)) nang xa hoi. hieu ve cham ((xuc ban) OR (cuc ban)) anh vi su kien*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((bach dan) or (cach mang)) nang xa hoi. hieu ve cham ((xuc ban) OR (cuc ban)) anh vi su kien*".