Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
dia thanh » gia thanh, da thanh, dinh thanh
thuc dia » thuc dieu, thuat dia, thuc giai
toan cua » than cua, tan cua, doanh cua
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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 cach) or (va cac)) thuc dia thanh toan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu ((va cach) OR (va cac)) thuc dia thanh toan cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu ((va cach) or (va cac)) thuc dia thanh toan cua tre*.