Perhaps you should try some spelling variations:
kien nguoi » dien nguoi, gian nguoi, den nguoi
nguoi bach » nguoi sach, nguoi bac, nguoi benh
hoc sach » hoc sinh, hoc cac, hoc anh
tien hoa » dien hoa, trien hoat
bach hoa » bach khoa, bach ha, cach hoan
tan cong » tan cuong, tran cong, toan cong
cong may » cong xay, cong ma, cong hay
tien va » dien va, thien van
hoa tan » hoa dan, hoa van, hoa tin
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: hoc sach ((tien hoa) OR (tien va)) truyen đe ky thuat: kien nguoi bach hoa tan cong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ((tien hoa) OR (tien va)) truyen đe ky thuat: kien nguoi bach hoa tan cong may tinh".
• Adding a wildcard symbol may retrieve word variants: hoc sach ((tien hoa) OR (tien va)) truyen đe ky thuat: kien nguoi bach hoa tan cong may tinh*.