Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
sach ly » sach y, sach lo, sach ty
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cao, va cai
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: toc sach ly nang xa hoi. hieu ((va cam) or (va cac)) tuc va thanh phan ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ly nang xa hoi. hieu ((va cam) OR (va cac)) tuc va thanh phan ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: toc sach ly nang xa hoi. hieu ((va cam) or (va cac)) tuc va thanh phan ((cua tre) or (su triet))*.