Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
doc sach » hoc sach, toc sach, nuoc sach
phan cua » nhan cua, than cua, phat cua
va thanh » gia thanh, ban thanh, va tinh
sach ly » sach y, sach lo, sach ty
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
va cao » va co, va dao, va bao
va cam » va cham, va cai, va cau
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: doc sach ly nang xa hoi. hieu ((((va cam) OR (va cao))) or (va cac)) tuc va thanh phan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach ly nang xa hoi. hieu ((((va cam) OR (va cao))) OR (va cac)) tuc va thanh phan cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc sach ly nang xa hoi. hieu ((((va cam) OR (va cao))) or (va cac)) tuc va thanh phan cua tre".
• Adding a wildcard symbol may retrieve word variants: doc sach ly nang xa hoi. hieu ((((va cam) OR (va cao))) or (va cac)) tuc va thanh phan cua tre*.