Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, duc 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 chat ((tuc va) OR (tuc xa)) ((thanh va) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. lieu va chat ((tuc va) OR (tuc xa)) ((thanh va) OR (hanh vi)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. lieu va chat ((tuc va) OR (tuc xa)) ((thanh va) or (hanh vi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu va chat ((tuc va) OR (tuc xa)) ((thanh va) or (hanh vi)) cua tre*.