Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
phat cuu » phat cua, nhat cua, chat cua
su phat » su pham, tu phat, xu phat
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
lai hoi » dai hoi, lai hoa, lai roi
hieu su » hieu sau, tieu su, hieu so
hanh va » hang va, hanh vi
tu sac » tu sach, tu cac, tu san
cuu va » cuu van, cuu ve
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) or (ky tang)) lai hoi. hieu su phat cuu va ((hanh vai) OR (hanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky sang) OR (ky tang)) lai hoi. hieu su phat cuu va ((hanh vai) OR (hanh va)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky sang) or (ky tang)) lai hoi. hieu su phat cuu va ((hanh vai) OR (hanh va)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky sang) or (ky tang)) lai hoi. hieu su phat cuu va ((hanh vai) OR (hanh va)) cua te*.