Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach sinh » sach kinh, sach danh, sach song
thuc bach » truc bach, thuc cach, thuoc sach
phan cung » phan ung, phan xuong, phan quang
phan cong » thanh cong
bach hoa » bach khoa, bach ha, cach hoan
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 sinh hoc chuyen đe ky thuat: kien thuc bach hoa ((phan cung) OR (phan cong)) may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach sinh hoc chuyen đe ky thuat: kien thuc bach hoa ((phan cung) OR (phan cong)) may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach sinh hoc chuyen đe ky thuat: kien thuc bach hoa ((phan cung) OR (phan cong)) may tinh*.