Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
va triet » va thiet, ve triet, cua triet
va trien » va truyen, va thiet, va tuyen
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
xuc van » duc van, luc van, vuc van
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: su sach y nang xa hoi. hieu qua cam xuc van thanh lap ((va triet) OR (va trien))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu qua cam xuc van thanh lap ((va triet) OR (va trien))".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu qua cam xuc van thanh lap ((va triet) OR (va trien))*.