Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
vien cac » vien bach, vien dai, vien da
hai cuc » tai cuc, hai cua, thai cua
hai cuu » hai cua, hai chu, thai cua
duc ban » duc tan, duc van, dua ban
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. hieu ((va cam) or (vien cac)) duc ban thanh ((hai cuu) or (hai cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu ((va cam) OR (vien cac)) duc ban thanh ((hai cuu) OR (hai cuc)) tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ((va cam) or (vien cac)) duc ban thanh ((hai cuu) or (hai cuc)) tre*.