Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
dam cua » dai cua, day cua, nam cua
cua tre » cua te, cuu tre, cua triet
ve coc » ve cuoc, ve cac, ve co
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 sach) or (((so sach) OR (co sach)))) ly nang xa hoi. hieu ve coc luc va thanh dam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (((so sach) OR (co sach)))) ly nang xa hoi. hieu ve coc luc va thanh dam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (((so sach) OR (co sach)))) ly nang xa hoi. hieu ve coc luc va thanh dam cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (((so sach) OR (co sach)))) ly nang xa hoi. hieu ve coc luc va thanh dam cua tre*.