Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
thanh va » thanh van, hanh va, thanh ha
su triet » su viet, su tien, ve triet
vu nang » vuc nang, va nang, vu dang
hieu ve » hieu van
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
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: thu sach ((y nang) or (vu nang)) xa hoi. ((hieu ve) or (hieu va)) cam xuc ban thanh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (vu nang)) xa hoi. ((hieu ve) OR (hieu va)) cam xuc ban thanh va su triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) or (vu nang)) xa hoi. ((hieu ve) or (hieu va)) cam xuc ban thanh va su triet*.