Perhaps you should try some spelling variations:
tien khong » tien phong, dien khong, tien chuong
sach tien » sach tren, sach thieu
thuc bach » truc bach, thuc cach, thuoc sach
khoa phan » khoa than, khoa phau, khoan phai
hoa phan » hoa dan, co phan
dang tai » dang thai, dung tai, hang tai
tai tinh » thai tinh, tai dinh, tai sinh
su sach » so sach, vu sach

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 tien khong chuyen đe ky thuat: kien thuc bach ((khoa phan) OR (hoa phan)) dang tai tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tien khong chuyen đe ky thuat: kien thuc bach ((khoa phan) OR (hoa phan)) dang tai tinh".
• Adding a wildcard symbol may retrieve word variants: su sach tien khong chuyen đe ky thuat: kien thuc bach ((khoa phan) OR (hoa phan)) dang tai tinh*.