Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
su triet » su viet, su tien, ve triet
toc sach » hoc sach, doc sach, thuoc sach
luc gia » luoc gia, duc gia, quoc gia
xuc gia » duc gia, tuc gia, quoc gia
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
vai su » va su, van su, lai su

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (toc sach)) ky nang xa hoi. hieu va cham ((xuc gia) OR (luc gia)) thanh vai su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (toc sach)) ky nang xa hoi. hieu va cham ((xuc gia) OR (luc gia)) thanh vai su triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (toc sach)) ky nang xa hoi. hieu va cham ((xuc gia) OR (luc gia)) thanh vai su triet*.