Perhaps you should try some spelling variations:
kien truoc » kien truc, kien thuc, bien thuoc
hoc chuyen » khong chuyen
truoc cach » cuoc cach, thuc cach, truoc cang
cach khoan » cac khoan, cach hoan, bach khoa
khoan than » khoan thanh, khoa than, khan than
than trong » thang trong, thuan trong, tran trong
sach tien » sach tren, sach thieu
tien hoc » tin hoc, tien hoa, dien hoc
xay dinh » xac dinh, xay dung, quy dinh
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 hoc chuyen đe ky thuat: kien truoc cach khoan than trong ((xay dinh) OR (xuan dinh))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tien hoc chuyen đe ky thuat: kien truoc cach khoan than trong ((xay dinh) OR (xuan dinh))".
• Adding a wildcard symbol may retrieve word variants: su sach tien hoc chuyen đe ky thuat: kien truoc cach khoan than trong ((xay dinh) OR (xuan dinh))*.