Perhaps you should try some spelling variations:
ban hanh » ban hang
dang tao » sang tao, nang tao, vang tao
hanh ve » hanh vi, hanh va, hanh kem
xuc ban » duc ban, cuc ban, quoc ban
sach vu » sach va, sach uu, sach xu
su hien » su kien, su tien, thu hien
tao hoi » tao khoi, tao boi, tay hoi
sach tu » sach thu, cach tu, sach ty
va dao » ca dao
va cao » va cac, va co, va bao
ve su » va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach vu) or (sach tu)) dang tao hoi. hieu ((va cao) or (va dao)) xuc ban hanh ve su hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach vu) OR (sach tu)) dang tao hoi. hieu ((va cao) OR (va dao)) xuc ban hanh ve su hien.
• Adding a wildcard symbol may retrieve word variants: su ((sach vu) or (sach tu)) dang tao hoi. hieu ((va cao) or (va dao)) xuc ban hanh ve su hien*.