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
dan quang » dang quang, doan quang, van quang
bach hoa » bach khoa, bach ha, cach hoan
dan mang » dang dang, dang manh, doan manh
may minh » may tinh, mai minh, van minh
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) OR (dan quang)) may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tien va chuyen đe ky thuat: kien cuoc bach hoa ((dan mang) OR (dan quang)) may minh".
• Adding a wildcard symbol may retrieve word variants: tu sach tien va chuyen đe ky thuat: kien cuoc bach hoa ((dan mang) OR (dan quang)) may minh*.