Perhaps you should try some spelling variations:
may trinh » may tinh, lap trinh, quy trinh
hoc sach » hoc sinh, hoc cac, hoc anh
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
trinh ve » trinh he, trinh va, trinh vi
su triet » su viet, su tien, ve triet
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va
xuc may » xuc hay, truc may, phuc may
ve su » va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ky dang xay hoi. ((hieu ve) or (hieu van)) cam xuc may trinh ve su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky dang xay hoi. ((hieu ve) OR (hieu van)) cam xuc may trinh ve su triet.
• Adding a wildcard symbol may retrieve word variants: hoc sach ky dang xay hoi. ((hieu ve) or (hieu van)) cam xuc may trinh ve su triet*.