Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
hach tich » mach tich, thanh tich, hoc tich
ta thanh » tai thanh, va thanh, ha thanh
trinh su » trinh tu, trinh san, trinh cau
tu hach » tu hanh, tu cach, tu sach
tich su » lich su, tich du, tich so
so giao » so giai, hoc giao

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ta thanh trinh su - hoa giao ) or ( tu hach tich su - so giao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ta thanh trinh su - hoa giao ) OR ( tu hach tich su - so giao ))*.