Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
thanh vi » hanh vi, thanh va, thanh ve
lai hoi » dai hoi, lai hoa, lai roi
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
ban ky » dan ky
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((ban ky) OR (van ky)) sang lai hoi. hieu su chat ((xuc va) or (duc va)) thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((ban ky) OR (van ky)) sang lai hoi. hieu su chat ((xuc va) OR (duc va)) thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((ban ky) OR (van ky)) sang lai hoi. hieu su chat ((xuc va) or (duc va)) thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((ban ky) OR (van ky)) sang lai hoi. hieu su chat ((xuc va) or (duc va)) thanh vi cua te*.