Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thanh tan » thanh tuan, thanh san, thanh van
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
cam cac » ca cac, nam cac, cam chan
cac ban » cac dan, cac van, can ban
cua tre » cua te, cuu tre, cua triet
pu xac » su xac
xac ky » cac ky, sac ky, bac ky
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: pu xac ky nang x hoi. hieu van cam cac ban ((thanh tan) OR (thanh toan)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "pu xac ky nang x hoi. hieu van cam cac ban ((thanh tan) OR (thanh toan)) cua tre".
• Adding a wildcard symbol may retrieve word variants: pu xac ky nang x hoi. hieu van cam cac ban ((thanh tan) OR (thanh toan)) cua tre*.