Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
hieu vien » hieu hien, hieu viec, thieu nien
van nang » van quang, van ban, van dong
vien cac » vien bach, vien dai, vien da
va thanh » gia thanh, ban thanh, va tinh
toan cua » than cua, tan cua, doanh cua
te sach » toc sach
cac duc » cac du, cao duc, cac dac
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, voi nang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (((v nang) OR (van nang)))) xa hoi. hieu vien cac duc va thanh toan cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (((v nang) OR (van nang)))) xa hoi. hieu vien cac duc va thanh toan cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (((v nang) OR (van nang)))) xa hoi. hieu vien cac duc va thanh toan cua tre*.