Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, hieu ve
hoc sach » hoc sinh, hoc cac, hoc anh
chat xuc » chat huu, cam xuc, chao xu
thanh di » thanh doi, thanh de, thanh do
te sach » toc sach
xuc ban » duc ban, cuc ban, quoc ban
di cua » dai cua, doi cua, de cua

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 (hoc sach)) ky nang x ho. ((hieu van) OR (lieu va)) chat xuc ban thanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (hoc sach)) ky nang x ho. ((hieu van) OR (lieu va)) chat xuc ban thanh di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (hoc sach)) ky nang x ho. ((hieu van) OR (lieu va)) chat xuc ban thanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) ky nang x ho. ((hieu van) OR (lieu va)) chat xuc ban thanh di cua triet*.