Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hoc chuyen » khong chuyen
phan xuong » phan cong
thuc bach » truc bach, thuc cach, thuc hanh
xuong may » cuong ma, xuong nau, duong ma
thu sach » tu sach, thuat sach, thu hoach
kinh hoc » sinh hoc, hinh hoc, tinh hoc
bach hoa » bach khoa, bach ha, cach hoan
hoa phan » hoa dan, co phan
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: ((thu sach) OR (thuoc sach)) kinh hoc chuyen đe ky thuat: kien thuc bach hoa phan xuong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuoc sach)) kinh hoc chuyen đe ky thuat: kien thuc bach hoa phan xuong may tinh".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuoc sach)) kinh hoc chuyen đe ky thuat: kien thuc bach hoa phan xuong may tinh*.