Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hieu van » hieu va, thien van, lieu va
nhan tai » hang tai, toan tai
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cao » van dao, van bao, van hao
cao suc » cao su, cao duc
van tai » von tai, van tuan
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu van cao suc manh ((thanh tai) or (((nhan tai) or (van tai)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu van cao suc manh ((thanh tai) OR (((nhan tai) OR (van tai)))) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu van cao suc manh ((thanh tai) or (((nhan tai) or (van tai)))) cua tre*.