Perhaps you should try some spelling variations:
danh trinh » anh trinh, dan trinh, dinh trinh
hanh trinh » canh tranh, hanh chinh
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
bao xuc » bao luc, bao thuc
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
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: so sach ty nang xa hoi. ((hieu va) or (lieu va)) bao xuc va ((danh trinh) or (hanh trinh)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. ((hieu va) OR (lieu va)) bao xuc va ((danh trinh) OR (hanh trinh)) cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. ((hieu va) or (lieu va)) bao xuc va ((danh trinh) or (hanh trinh)) cua tre*.