Perhaps you should try some spelling variations:
thien phan » thien phat, thien nhan, thien phap
phan dau » phan tu, hang dau
va triet » va thiet, va trien, ve triet
te sach » toc sach
nang xa » nang x, lang xa, nang ma
duc van » duc tan, duc manh, duc phan
y nang » ky nang, ly nang, v nang
vi va » vi van, vai va, vu 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 y nang xa hoi. thien phan dau ((duc van) OR (duc va)) hanh vi va 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) OR (duc va)) hanh vi va triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. thien phan dau ((duc van) OR (duc va)) hanh vi va triet*.