Perhaps you should try some spelling variations:
tien khong » tien phong, dien khong, tien chuong
kien truoc » kien truc, kien thuc, bien thuoc
truoc cach » cuoc cach, thuc cach, truoc cang
sach tien » sach tren, sach thieu
cach khoa » bach khoa, cac khoa, cac khoan
khoa phan » hoa phan, khoa than, khoa phau
cung may » cong may, cung hay, mang may
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 khong chuyen đe ky thuat: kien truoc cach khoa phan ((cung may) OR (dung may)) tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tien khong chuyen đe ky thuat: kien truoc cach khoa phan ((cung may) OR (dung may)) tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach tien khong chuyen đe ky thuat: kien truoc cach khoa phan ((cung may) OR (dung may)) tinh*.