Perhaps you should try some spelling variations:
cao luan » cao lan, cao quan, cao xuan
van sinh » van minh, va sinh, van dinh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
vat cua » mat cua, bat cua, dat cua
va cao » va cac, va co, va dao

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. lieu va cao luan van sinh vat cua vat~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. lieu va cao luan van sinh vat cua vat*.