Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
canh tay » canh tac, thanh tay, ban tay
thanh vi » hanh vi, thanh va, thanh ve
lang van » dang van, tang van, hoang van
tuc ban » thuc ban, truc ban, tu ban
va tham » van tham, va cham, va thanh
ve cham » va cham, ve chat, vu cham
van hoi » van hoa, van hoc, van hoe
anh ta » anh tu, anh va, anh tuan
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc ((canh tay) OR (anh ta)) lang van hoi. hieu ((ve cham) or (va tham)) tuc ban thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc ((canh tay) OR (anh ta)) lang van hoi. hieu ((ve cham) OR (va tham)) tuc ban thanh vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc ((canh tay) OR (anh ta)) lang van hoi. hieu ((ve cham) or (va tham)) tuc ban thanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: thuoc ((canh tay) OR (anh ta)) lang van hoi. hieu ((ve cham) or (va tham)) tuc ban thanh vi cua tu*.