Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach dien » mach dien, sach tien, dich dien
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
phau cung » phan cung, pha cung, phan chung
phap cung » phap cong, phan cung, pha cung
dien hoc » dien hoa, khien hoc, tin hoc
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 dien hoc chuyen đe ky thuat: kien thuc bach khoa ((phau cung) OR (phap cung)) may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach dien hoc chuyen đe ky thuat: kien thuc bach khoa ((phau cung) OR (phap cung)) may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach dien hoc chuyen đe ky thuat: kien thuc bach khoa ((phau cung) OR (phap cung)) may tinh*.