Perhaps you should try some spelling variations:
thuc thanh » thuoc thanh, thuc hanh, phuc thanh
hoc chuyen » khong chuyen
thanh hoa » thanh pho
sach tin » sach tien, sach kinh, sach tren
hoa phan » hoa dan, co phan
cung may » cong may, cung hay, mang may
dung may » dung va, dung tai, mang may
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: te sach tin hoc chuyen đe ky thuat: kien thuc thanh hoa phan ((cung may) OR (dung may)) tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tin hoc chuyen đe ky thuat: kien thuc thanh hoa phan ((cung may) OR (dung may)) tinh".
• Adding a wildcard symbol may retrieve word variants: te sach tin hoc chuyen đe ky thuat: kien thuc thanh hoa phan ((cung may) OR (dung may)) tinh*.