Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
thanh ve » hanh ve, thanh va, thanh vien
su triet » su viet, su tien, ve triet
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
chat te » chat deo, chat tai, chat beo
nang xa » nang x, lang xa, nang ma
vu sach » vu bach, su sach, vu khach
te ban » te bao
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: vu sach y nang xa hoi. hieu va chat te ban ((hanh vi) or (thanh ve)) ((su triet) or (va trien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. hieu va chat te ban ((hanh vi) OR (thanh ve)) ((su triet) OR (va trien)).
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. hieu va chat te ban ((hanh vi) or (thanh ve)) ((su triet) or (va trien))*.