Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
thanh de » hanh de, thanh ve, thanh do
ve cham » va cham, ve chat, vu cham
te sach » toc sach
nang co » nang cao, nang doc, nang noi
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
co hoi » co hoc, co loi
xac va » tac va, ac va, bac va
de va » de van, te va, ke va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (su sach)) ky nang co hoi. hieu ve cham ((xac va) OR (duc va)) thanh de va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (su sach)) ky nang co hoi. hieu ve cham ((xac va) OR (duc va)) thanh de va triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (su sach)) ky nang co hoi. hieu ve cham ((xac va) OR (duc va)) thanh de va triet*.