Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuat bach » thuat sach, thuat mach, thuat tach
sach tren » sach tranh
sach tien » sach thieu
phan dung » phan ung, phan dang, chan dung
bach hoa » bach khoa, bach ha, cach hoan
hoa phan » hoa dan, co phan
dung may » dung va, dung tai, mang may
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: su ((sach tren) OR (sach tien)) hoc chuyen đe ky thuat: thien thuat bach hoa phan dung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach tren) OR (sach tien)) hoc chuyen đe ky thuat: thien thuat bach hoa phan dung may tinh".
• Adding a wildcard symbol may retrieve word variants: su ((sach tren) OR (sach tien)) hoc chuyen đe ky thuat: thien thuat bach hoa phan dung may tinh*.