Perhaps you should try some spelling variations:
thanh cha » thanh ha, thanh nha, thanh phan
va triet » va thiet, va trien, ve triet
than cua » nhan cua, thai cua, ban cua
loc ban » lo ban, hoc ban, coc ban
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
cam loc » cam lo
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 ve) or (hieu va)) cam loc ban ((thanh cha) or (than cua)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. ((hieu ve) OR (hieu va)) cam loc ban ((thanh cha) OR (than cua)) va triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. ((hieu ve) or (hieu va)) cam loc ban ((thanh cha) or (than cua)) va triet*.