Perhaps you should try some spelling variations:
thien phan » thien phat, thien nhan, thien phap
ve triet » va trien, su triet
va triet » va thiet, va trien, cua triet
van hanh » van thanh, ban hanh, van ban
phan dau » phan tu, hang dau
dau duc » dao duc, dang duc, dau nuoc
van anh » van thanh, tuan anh, van minh
nang xa » nang x, lang xa, nang ma
te sach » toc sach
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. thien phan dau duc ((van hanh) or (van anh)) vi ((va triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. thien phan dau duc ((van hanh) OR (van anh)) vi ((va triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. thien phan dau duc ((van hanh) or (van anh)) vi ((va triet) OR (ve triet))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. thien phan dau duc ((van hanh) or (van anh)) vi ((va triet) OR (ve triet))*.