Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
cua tre » cua te, cuu tre, cua triet
hanh ve » hanh vi, hanh va, hanh kem
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
duc ban » duc tan, dua ban, duc man
duc van » duc va, duc tan, duc manh
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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 lang xa hoi. hieu van cam ((duc ban) or (duc van)) ((thanh vi) or (hanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. hieu van cam ((duc ban) OR (duc van)) ((thanh vi) OR (hanh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. hieu van cam ((duc ban) or (duc van)) ((thanh vi) or (hanh ve)) cua tre*.