Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
cau luc » cau truc, cau phuc
dam cua » dai cua, day cua, nam cua
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu bach) or (so sach)) ly nang xa hoi. hieu van cau luc va thanh dam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu bach) OR (so sach)) ly nang xa hoi. hieu van cau luc va thanh dam cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu bach) or (so sach)) ly nang xa hoi. hieu van cau luc va thanh dam cua tre*.