Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tien » sach tren, sach thieu
thuc dung » thuoc dung, thuy dung, tuc dung
khoa phan » hoa phan, khoa than, khoa phau
phan dung » phan ung, phan dang, chan dung
tien hoc » tin hoc, tien hoa, dien hoc
thu dung » thuy dung, thu dang, thu dong
dung may » dung va, dung tai, mang may
tu sach » thu sach, su sach, te sach
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: tu sach tien hoc chuyen đe ky thuat: kien ((thu dung) OR (thuc dung)) khoa phan dung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tien hoc chuyen đe ky thuat: kien ((thu dung) OR (thuc dung)) khoa phan dung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach tien hoc chuyen đe ky thuat: kien ((thu dung) OR (thuc dung)) khoa phan dung may tinh*.