Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
toan cua » than cua, tan cua, doanh cua
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
van lam » van nam
loc va » hoc va
su sac » su sach, su cac, su xac
luc va » duc va, tuc va
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky dang xay hoi. hieu van lam ((xuc va) or (((luc va) OR (loc va)))) thanh toan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang xay hoi. hieu van lam ((xuc va) OR (((luc va) OR (loc va)))) thanh toan cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky dang xay hoi. hieu van lam ((xuc va) or (((luc va) OR (loc va)))) thanh toan cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky dang xay hoi. hieu van lam ((xuc va) or (((luc va) OR (loc va)))) thanh toan cua tre*.