Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cua triet » cua viet, su triet, va triet
thanh va » hanh va, thanh ha, thanh ve
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
nam xuc » cam xuc, nam xua, nam thuc
cua tre » cua te, cuu tre, dua tren
va nam » van nam, ha nam, va nay
xuc va » duc va, tuc va, luc va

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. lieu va nam xuc va ((thanh va) or (thanh van)) ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. lieu va nam xuc va ((thanh va) OR (thanh van)) ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu va nam xuc va ((thanh va) or (thanh van)) ((cua tre) or (cua triet))*.