Perhaps you should try some spelling variations:
tan dinh » tran dinh, van dinh, tai dinh
va triet » va thiet, va trien, ve triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
dinh cu » dinh cuu, dinh chuc, dinh chau
ve cam » ve cham, ve cac, va cam
cu va » cuu va, tu va, su va

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 nang xa hoi. hieu ((ve cam) or (va cac)) duc tan dinh cu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((ve cam) OR (va cac)) duc tan dinh cu va triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve cam) or (va cac)) duc tan dinh cu va triet*.