Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
va triet » va thiet, va trien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
sach ky » sac ky, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
ve bac » ve bao, ve ban, he bac
ve cac » va cac, vien cac
bo van » vo van, so van, do van
vi va » vi van, vai va, vu 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) or (sach y)) nang xa hoi. hieu ((ve bac) or (ve cac)) bo van thanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang xa hoi. hieu ((ve bac) OR (ve cac)) bo van thanh vi va triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang xa hoi. hieu ((ve bac) or (ve cac)) bo van thanh vi va triet*.