Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
su chat » su phat, du chat, so chat
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, mai hoi
vai cua » dai cua, hai cua, lai cua
lai roi » loi roi
hieu su » hieu sau, tieu su, hieu so
tuc va » thuc va, truc va, tuc xa
tu sac » tu sach, tu cac, tu san
xuc va » duc va, luc va, xac va
sac ky » cac ky, sai ky
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 sac ky sang ((lai hoi) or (lai roi)). hieu su chat ((xuc va) OR (tuc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((lai hoi) OR (lai roi)). hieu su chat ((xuc va) OR (tuc va)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((lai hoi) or (lai roi)). hieu su chat ((xuc va) OR (tuc va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((lai hoi) or (lai roi)). hieu su chat ((xuc va) OR (tuc va)) hanh vai cua te*.