Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
thanh ly » thanh lay, thanh ky, thanh le
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
vu sach » vu bach, su sach, vu khach
ve cam » ve cham, ve cai, ve cau
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
nang o » nang co, nang ho, nang ro
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 ky nang o hoi. hieu ((((ve cam) OR (ve cac))) or (va cam)) xuc va thanh ly chat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang o hoi. hieu ((((ve cam) OR (ve cac))) OR (va cam)) xuc va thanh ly chat triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang o hoi. hieu ((((ve cam) OR (ve cac))) or (va cam)) xuc va thanh ly chat triet*".