Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, hieu ve
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
so sach » so sanh, bo sach, co sach
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
xuc van » duc van, luc van, vuc van
hanh ve » hanh vi, hanh va, hanh kem
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: ((vu sach) or (so sach)) ky dang xa hoi. ((hieu van) or (lieu va)) cam xuc van hanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (so sach)) ky dang xa hoi. ((hieu van) OR (lieu va)) cam xuc van hanh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (so sach)) ky dang xa hoi. ((hieu van) or (lieu va)) cam xuc van hanh ve cua triet*.