Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
ban hanh » ban hang
sach tru » sach truc, sach thu, sach tu
te sach » toc sach
cuc ban » cua ban, cac ban, cuu ban
cao cuc » cao duc, cao suc, cho cuoc
va cao » va cac, va co, va dao
ma hoi » mai hoi, ma hoa, me hoi
di cuu » di cau, di cua, dinh cuu
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tru nang ((ma hoi) or (xa hoi)). lieu va cao cuc ban hanh ((di cuu) or (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tru nang ((ma hoi) OR (xa hoi)). lieu va cao cuc ban hanh ((di cuu) OR (de cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach tru nang ((ma hoi) or (xa hoi)). lieu va cao cuc ban hanh ((di cuu) or (de cua)) tre*.