Perhaps you should try some spelling variations:
phan xuong » phan cong
hoc chuyen » khong chuyen
thuc sach » thuoc sach, thuc cach, thuat sach
sach khoa » bach khoa, sach nha, anh khoa
khoa phan » hoa phan, khoa than, khoa phau
xuong may » cuong ma, xuong nau, duong ma
thu sach » tu sach, thuat sach, thuoc sach
te sach » toc sach
tin hoc » sinh hoc
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 (te sach)) tin hoc chuyen đe ky thuat: kien thuc sach khoa phan xuong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (te sach)) tin hoc chuyen đe ky thuat: kien thuc sach khoa phan xuong may tinh".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (te sach)) tin hoc chuyen đe ky thuat: kien thuc sach khoa phan xuong may tinh*.