Perhaps you should try some spelling variations:
khanh vai » khanh van, hanh vi, hanh va
hieu van » hieu va, thien van, lieu va
xa khanh » xa thanh, van khanh, dat khanh
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
xang xa » lang xa, ang xa, dang xay
mang xa » lang xa, mang may, dang xay
nam tuc » nam thuc, nam truc, nam tu
vai cua » dai cua, hai cua, lai 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 sach) OR (su sach)) y ((xang xa) or (mang xa)) hoi. hieu van nam tuc xa khanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) y ((xang xa) OR (mang xa)) hoi. hieu van nam tuc xa khanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) y ((xang xa) or (mang xa)) hoi. hieu van nam tuc xa khanh vai cua te*".