Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
hieu van » hieu va, thien van, lieu va
cham xuc » chat xuc, cham soc, pham duc
va thanh » gia thanh, ban thanh, va tinh
toan cau » toan cao, toan ban, toan tap
cau tren » cu tren, dau tren, ca tren
co sach » bo sach, cuon sach, hoc sach
sach ky » sac ky, sach y, sach ty
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: co sach ky nang x hoi. hieu van ((cham xuc) or (cam xuc)) va thanh toan cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ky nang x hoi. hieu van ((cham xuc) OR (cam xuc)) va thanh toan cau tren.
• Adding a wildcard symbol may retrieve word variants: co sach ky nang x hoi. hieu van ((cham xuc) or (cam xuc)) va thanh toan cau tren*.