Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
ve triet » va trien
phan duc » pham duc, phan tu, phan dau
su triet » su viet, su tien
thanh vi » hanh vi, thanh va, thanh ve
duc danh » duc anh, duc manh, duc hanh
sach ky » sac ky, sach y, sach kem
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
ve phan » va phan, ke phan, ve phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach ty)) nang xa hoi. hieu ve phan duc danh thanh vi ((su triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang xa hoi. hieu ve phan duc danh thanh vi ((su triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) nang xa hoi. hieu ve phan duc danh thanh vi ((su triet) OR (ve triet))".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang xa hoi. hieu ve phan duc danh thanh vi ((su triet) OR (ve triet))*.