Perhaps you should try some spelling variations:
sach tien » sach thieu
sach tren » sach tranh
va chuyen » van chuyen, cau chuyen, va truyen
kien cuoc » chien cuoc, kien cuong, dien cuc
cuoc sach » cuoc cach, cuon sach, nuoc sach
sach han » sach tham, sach danh, sach nang
may minh » may tinh, mai minh, van minh
han dan » nhan dan, han danh, shan dan
dan ung » dan dung, dan vung, dang ung
ung may » dung may, cung may, mang may

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