Perhaps you should try some spelling variations:
vay thanh » day thanh, giay thanh, ngay thanh
ban thanh » ban hanh, ban hang
thanh ky » hanh ky, than ky, thanh tay
thanh vi » hanh vi, thanh va, thanh ve
hoc ban » hoc bang, hoc dan, hoc bai
tu cham » toc cham, thi cham
ve chat » va chat, van chat
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: vay thanh ky nang ma hoi. hieu ((ve chat) or (tu cham)) hoc ban thanh vi ((cua te) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vay thanh ky nang ma hoi. hieu ((ve chat) OR (tu cham)) hoc ban thanh vi ((cua te) OR (cua cu)).
• Adding a wildcard symbol may retrieve word variants: vay thanh ky nang ma hoi. hieu ((ve chat) or (tu cham)) hoc ban thanh vi ((cua te) or (cua cu))*.