Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
luan cung » luan chung, luan cong, luan hung
sach tin » sach tien, sach kinh, sach han
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
cung may » dung may, cong may, cung hay
may minh » may tinh, mai minh, van 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 tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa luan cung may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa luan cung may minh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa luan cung may minh*.