Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
thanh va » thanh van, 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
va cham » va chat, va tham
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 cham tuc va ((thanh va) OR (hanh va)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. lieu va cham tuc va ((thanh va) OR (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu va cham tuc va ((thanh va) OR (hanh va)) cua tre*.