Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban banh » ban hanh, ban anh, ban danh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
banh vi » hanh vi, ban vi, benh vi
vi va » vi van, vai va, vu va
thiet » thieu

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) or (nang x)) hoi. hieu van cam xuc ban banh vi va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang xa) OR (nang x)) hoi. hieu van cam xuc ban banh vi va thiet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang xa) or (nang x)) hoi. hieu van cam xuc ban banh vi va thiet*.