Perhaps you should try some spelling variations:
sach tien » sach tren, sach thieu
va chuyen » van chuyen, cau chuyen, va truyen
kien cuoc » chien cuoc, kien cuong, dien cuc
cuoc bach » cuoc cach, cuon sach, nuoc sach
bach hoa » bach khoa, bach ha, cach hoan
dan mang » dan quang, dang dang, dang manh
may minh » may tinh, mai minh, van minh
may dinh » may tinh, mai dinh, my dinh
tu sach » thu sach, su sach, te sach
tien va » dien va, thien van

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 tien va chuyen đe ky thuat: kien cuoc bach hoa dan mang ((may minh) or (may dinh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tien va chuyen đe ky thuat: kien cuoc bach hoa dan mang ((may minh) OR (may dinh)).
• Adding a wildcard symbol may retrieve word variants: tu sach tien va chuyen đe ky thuat: kien cuoc bach hoa dan mang ((may minh) or (may dinh))*.