Perhaps you should try some spelling variations:
thanh ven » thanh vien, thanh van, thanh nien
nhanh vi » hanh vi, nhanh va, nhanh thi
thanh ve » hanh ve, thanh va, thanh vien
va triet » va thiet, va trien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
ky ban » uy ban, ly ban, ke ban

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

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