Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh va » thanh van, hanh va, thanh ha
thanh ve » hanh ve, thanh vien, thanh van
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cao cua » ca cua, co cua, cau cua
ve cao » va cao, ve bao, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang xa hoi. hieu ve cao cua ban ((thanh va) or (thanh ve)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu ve cao cua ban ((thanh va) OR (thanh ve)) cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu ve cao cua ban ((thanh va) or (thanh ve)) cua triet*.