Perhaps you should try some spelling variations:
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 » tien hoa, dien hoc, tien hon
thuc dan » thuc hanh, hoc dan, thuc vat
dan khoa » dang khoa, da khoa, san khoa
tai tinh » thai tinh, tai dinh, tai sinh
so sach » so sanh, bo sach, co 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: so sach ((tien hoc) OR (tin hoc)) chuyen đe ky thuat: bien thuc dan khoa phan dung tai tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((tien hoc) OR (tin hoc)) chuyen đe ky thuat: bien thuc dan khoa phan dung tai tinh".
• Adding a wildcard symbol may retrieve word variants: so sach ((tien hoc) OR (tin hoc)) chuyen đe ky thuat: bien thuc dan khoa phan dung tai tinh*.