Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thanh vi » hanh vi, thanh va, thanh ve
sach ty » sach y, sach tu, sach thu
duc ban » duc tan, duc van, dua ban
so sach » so sanh, bo sach, co sach
xuc ban » cuc ban, quoc ban, xuat ban
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
va cam » va cham, va cac, va cao
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang ma hoi. lieu va cam ((xuc ban) OR (duc ban)) thanh vi ((cua te) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang ma hoi. lieu va cam ((xuc ban) OR (duc ban)) thanh vi ((cua te) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang ma hoi. lieu va cam ((xuc ban) OR (duc ban)) thanh vi ((cua te) or (cau tren))*".