Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
trung van » truong van, trong van, trung va
cau trung » cau truong, cac trung, cao trung
thanh vi » hanh vi, thanh va, thanh ve
hieu va » hieu qua
vu sach » vu bach, su sach, vu khach
lo nang » ly nang, loai nang, cao nang
ho nang » thi nang, kha nang, cao nang
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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 ((lo nang) OR (ho nang)) x hoi. ((lieu va) or (hieu va)) cau trung van thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((lo nang) OR (ho nang)) x hoi. ((lieu va) OR (hieu va)) cau trung van thanh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((lo nang) OR (ho nang)) x hoi. ((lieu va) or (hieu va)) cau trung van thanh vi cua triet*".