Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
thanh ve » hanh ve, thanh va, thanh vien
su sach » vu sach
so sach » bo sach, co sach, hoc sach
so sanh » do sanh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
nam xuc » cam xuc, nam xua, nam thuc
xuc va » duc va, tuc va, luc va
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (((so sach) OR (so sanh)))) ky dang xa hoi. hieu van nam xuc va thanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (((so sach) OR (so sanh)))) ky dang xa hoi. hieu van nam xuc va thanh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (((so sach) OR (so sanh)))) ky dang xa hoi. hieu van nam xuc va thanh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (((so sach) OR (so sanh)))) ky dang xa hoi. hieu van nam xuc va thanh ve cua triet*.