Perhaps you should try some spelling variations:
thanh tich » thanh trinh, phan tich, thanh binh
thanh tinh » thanh binh, nhanh tinh, than kinh
toan giao » ton giao, toan cao, hoa giao
than tich » phan tich, tran tich, than kinh
su thanh » vu thanh, son thanh, cuu thanh
don gian » dan gian
tinh su » trinh su, hinh su, tinh tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( su thanh tinh su - toan giao ) or ( luu ((thanh tich) OR (than tich)) du - don gian ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su thanh tinh su - toan giao ) OR ( luu ((thanh tich) OR (than tich)) du - don gian )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( su thanh tinh su - toan giao ) or ( luu ((thanh tich) OR (than tich)) du - don gian ))".
• Adding a wildcard symbol may retrieve word variants: (( su thanh tinh su - toan giao ) or ( luu ((thanh tich) OR (than tich)) du - don gian ))*.