Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tien » sach tren, sach thieu
bien thuc » kien thuc, bien phuc, bien phu
khoa phan » hoa phan, khoa than, khoa phau
phan dung » phan ung, phan dang, chan dung
tien hoc » tin hoc, tien hoa, dien hoc
thuc dan » thuc hanh, hoc dan, thuc vat
dan khoa » dang khoa, da khoa, san khoa
tai tinh » thai tinh, tai dinh, tri tinh
tai sinh » tai dinh, tai chinh, phai sinh
so sach » so sanh, bo sach, co sach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach tien hoc chuyen đe ky thuat: bien thuc dan khoa phan dung ((tai tinh) or (tai sinh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach tien hoc chuyen đe ky thuat: bien thuc dan khoa phan dung ((tai tinh) OR (tai sinh)).
• Adding a wildcard symbol may retrieve word variants: so sach tien hoc chuyen đe ky thuat: bien thuc dan khoa phan dung ((tai tinh) or (tai sinh))*.