Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nang mai » nang ma, nang tai, lang mai
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
mai hoi » mai khoi, dai hoi, lai hoi
xuc ban » duc ban, cuc ban, quoc ban
va cam » va cham, va cac, va cao
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 mai hoi. lieu va cam xuc 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 mai hoi. lieu va cam xuc ban thanh vi ((cua te) OR (cau tren))*.