Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
ve cac » vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty xang xa hoi. hieu ((ve cac) or (va cac)) ly va hanh vai ((cuu tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang xa hoi. hieu ((ve cac) OR (va cac)) ly va hanh vai ((cuu tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu ((ve cac) or (va cac)) ly va hanh vai ((cuu tre) or (su triet))*.