Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh hai » thanh phan, thanh hoa, thanh san
va thanh » gia thanh, ban thanh, va tinh
hai cua » thai cua, dai cua, hoi cua
vu sach » vu bach, su sach, vu khach
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cai, ve cau
nang o » nang co, nang ho, nang ro
ve cac » va cac, vien cac
o hoi » co hoi, o hoc, o hai

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 y nang o hoi. hieu ((((ve cam) OR (ve cac))) or (va cam)) duc va thanh hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang o hoi. hieu ((((ve cam) OR (ve cac))) OR (va cam)) duc va thanh hai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang o hoi. hieu ((((ve cam) OR (ve cac))) or (va cam)) duc va thanh hai cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang o hoi. hieu ((((ve cam) OR (ve cac))) or (va cam)) duc va thanh hai cua triet*.