Perhaps you should try some spelling variations:
trien thuoc » trien thuc, trien thuong, tin thuoc
kien thuoc » kien thuc, bien thuoc, kien truc
hoc chuyen » khong chuyen
sach khoa » bach khoa, sach nha, anh khoa
khoa phan » hoa phan, khoa than, khoa phau
phan dung » phan ung, phan dang, chan dung
sach tin » sach tien, sach kinh, sach tren
tai tinh » thai tinh, tai dinh, tai sinh
su sach » so sach, vu sach
tin hoc » sinh hoc

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 tin hoc chuyen đe ky thuat: ((kien thuoc) OR (trien thuoc)) sach khoa phan dung tai tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tin hoc chuyen đe ky thuat: ((kien thuoc) OR (trien thuoc)) sach khoa phan dung tai tinh".
• Adding a wildcard symbol may retrieve word variants: su sach tin hoc chuyen đe ky thuat: ((kien thuoc) OR (trien thuoc)) sach khoa phan dung tai tinh*.