Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
ban thanh » ban hanh, ban hang
toan cua » than cua, tan cua, doanh cua
tu cach » tu cac
su sach » so sach, vu sach
cao hoc » co hoc, cho hoc, chat hoc
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
cua te » cua tu
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky nang cao hoc. hieu ((ve cam) OR (ve cham)) xuc ban thanh toan cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang cao hoc. hieu ((ve cam) OR (ve cham)) xuc ban thanh toan cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky nang cao hoc. hieu ((ve cam) OR (ve cham)) xuc ban thanh toan cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang cao hoc. hieu ((ve cam) OR (ve cham)) xuc ban thanh toan cua te*.