Perhaps you should try some spelling variations:
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa phan » hoa phan, khoa than, khoa phau
phan cung » phan cong, phan ung, phan xuong
kinh hoc » sinh hoc, tinh hoc, tin hoc
hinh hoc » sinh hoc, tin hoc, benh hoc
cung may » dung may, cong may, cung hay
tu sach » thu sach, su sach, te sach
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 ((kinh hoc) OR (hinh hoc)) chuyen đe ky thuat: kien thuc bach khoa phan cung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((kinh hoc) OR (hinh hoc)) chuyen đe ky thuat: kien thuc bach khoa phan cung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach ((kinh hoc) OR (hinh hoc)) chuyen đe ky thuat: kien thuc bach khoa phan cung may tinh*.