Perhaps you should try some spelling variations:
may khoa » da khoa, ly khoa, y khoa
van dinh » van minh, van dich, xuan dinh
va dinh » va kinh, va tinh, vu dinh
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
y mang » cay mang
ve cam » ve cac, va cam, ve cai
vi cua » vai cua, di 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 y mang may khoa. hieu ((ve cam) or (ve cham)) xuc ((van dinh) OR (va dinh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y mang may khoa. hieu ((ve cam) OR (ve cham)) xuc ((van dinh) OR (va dinh)) vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y mang may khoa. hieu ((ve cam) or (ve cham)) xuc ((van dinh) OR (va dinh)) vi cua te*".