Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
trung hoc » trung quoc
khoa phan » hoa phan, khoa than, khoa phau
phan dong » phan cong, phan dang, phan hong
thu sach » thuat sach, thuoc sach, thu hoach
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
dong may » dong ma, dung may, dong mau
tu sach » su sach, te sach, tu cach
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 (tu sach)) trung hoc chuyen đe ky thuat: kien thuc anh khoa phan dong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) trung hoc chuyen đe ky thuat: kien thuc anh khoa phan dong may tinh".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) trung hoc chuyen đe ky thuat: kien thuc anh khoa phan dong may tinh*.