Perhaps you should try some spelling variations:
may trinh » may tinh, lap trinh, quy trinh
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
trinh de » trinh den, trinh do, trinh he
xuc may » xuc hay, truc may, phuc may
te sach » toc sach
sach ky » sac ky, sach y, sach ty
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
ky danh » ky anh, ky dang
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky danh ((xay hoi) or (tay hoi)). hieu ve cam xuc may trinh de ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky danh ((xay hoi) OR (tay hoi)). hieu ve cam xuc may trinh de ((cua triet) OR (cua viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky danh ((xay hoi) or (tay hoi)). hieu ve cam xuc may trinh de ((cua triet) OR (cua viet))*".