Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
du chat » duoc chat, dung chat, doc chat
hieu du » hien du, hieu su, hiem du
dai hoi » dai hoc, dai hai, dai moi
ke mang » ke nang, ke trang
ky mang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
loc va » hoc va, luc va
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: te sach ((ky mang) OR (ke mang)) dai hoi. hieu du chat ((xuc va) or (loc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky mang) OR (ke mang)) dai hoi. hieu du chat ((xuc va) OR (loc va)) hanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky mang) OR (ke mang)) dai hoi. hieu du chat ((xuc va) or (loc va)) hanh vai cua te*".