Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
duong may » duong ma, dung may, duong mat
tren hoc » truyen hoc, trung hoc, triet hoc
thuc anh » thuc hanh, thuy anh, thu anh
su sach » so sach, vu sach
hoa tan » hoa dan, hoa van, hoa han
hoa tin » hoa tinh, hoat tinh, hoa sinh
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: su sach tren hoc chuyen đe ky thuat: kien thuc anh ((hoa tan) OR (hoa tin)) duong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tren hoc chuyen đe ky thuat: kien thuc anh ((hoa tan) OR (hoa tin)) duong may tinh".
• Adding a wildcard symbol may retrieve word variants: su sach tren hoc chuyen đe ky thuat: kien thuc anh ((hoa tan) OR (hoa tin)) duong may tinh*.