Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
kham cuoc » khac cuoc, khuat cuoc, nhan cuoc
va thanh » gia thanh, va tinh, le thanh
va triet » va thiet, va trien, ve triet
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu so » thieu so
y nang » ky nang, ly nang, v nang
vai va » mai va, dai va, hai va

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: ((tu sach) OR (su sach)) y nang xa hoi. hieu so kham cuoc ((va thanh) OR (ban thanh)) vai va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) y nang xa hoi. hieu so kham cuoc ((va thanh) OR (ban thanh)) vai va triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) y nang xa hoi. hieu so kham cuoc ((va thanh) OR (ban thanh)) vai va triet*.