Perhaps you should try some spelling variations:
tien khong » dien khong, tien chuong, tien luong
tien phong » trien phuong, tien luong, tien cong
khoa phan » hoa phan, khoa than, khoa phau
phan cung » phan cong, phan ung, phan xuong
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
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 ((tien khong) OR (tien phong)) chuyen đe ky thuat: kien thuc anh khoa phan cung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tien khong) OR (tien phong)) chuyen đe ky thuat: kien thuc anh khoa phan cung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tien khong) OR (tien phong)) chuyen đe ky thuat: kien thuc anh khoa phan cung may tinh*.