Perhaps you should try some spelling variations:
than xuong » phan xuong, than uong, thanh huong
sach tien » sach thieu
sach tren » sach tranh
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa than » khoa luan, hoa thai, hoa tan
xuong may » cuong ma, xuong nau, duong ma
dien thi » dien thoai, trien thi, dien tu
thi hanh » thi thanh
tinh » trinh, dinh, minh

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)) khong chuyen đe ky thuat: dien thi hanh khoa than xuong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tien) OR (sach tren)) khong chuyen đe ky thuat: dien thi hanh khoa than xuong may tinh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tien) OR (sach tren)) khong chuyen đe ky thuat: dien thi hanh khoa than xuong may tinh*.