Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
van hanh » van thanh, ban hanh, van anh
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
va hanh » va thanh, va danh, ban hanh
te sach » toc sach
cau xuc » cam xuc, cau luc, cau truc
ky lang » ky nang, ky dang, ky tang
van cau » van dau, van hau, van chat
dao va » dao van, tao va, do 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 (thu hoach)) ky lang van hoa. hieu van cau xuc ((va hanh) OR (van hanh)) dao va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky lang van hoa. hieu van cau xuc ((va hanh) OR (van hanh)) dao va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thu hoach)) ky lang van hoa. hieu van cau xuc ((va hanh) OR (van hanh)) dao va triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky lang van hoa. hieu van cau xuc ((va hanh) OR (van hanh)) dao va triet*.