Perhaps you should try some spelling variations:
sanh tri » thanh tri, dinh tri, minh tri
tue bach » truc bach, thi bach, vu bach
bach hoa » bach khoa, bach ha, cach hoan
he trong » he thong, he trung, le trong
so sanh » do sanh
so sach » bo sach, co sach, hoc sach
tri thi » tai thi, thi thi, tri chi
tri tai » trinh tai
anh ta » anh tu, anh va, anh tuan
ta he » tao he, tai he, ta ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sanh tri tue bach hoa he trong ) or ( so sach ((tri thi) OR (tri tai)) anh ta he trong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sanh tri tue bach hoa he trong ) OR ( so sach ((tri thi) OR (tri tai)) anh ta he trong )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( so sanh tri tue bach hoa he trong ) or ( so sach ((tri thi) OR (tri tai)) anh ta he trong ))".
• Adding a wildcard symbol may retrieve word variants: (( so sanh tri tue bach hoa he trong ) or ( so sach ((tri thi) OR (tri tai)) anh ta he trong ))*.