Perhaps you should try some spelling variations:
kien nguoi » dien nguoi, gian nguoi, den nguoi
dang thanh » dong thanh, dang hanh, hoang thanh
tham kien » phan kien, hai kien, pham tien
nguoi con » nguoi cong, nguoi co, nguoi cor
con thong » cong thong, con hong, cong thuong
danh gian » dan gian, danh gia, danh giao
nha danh » nhat danh, nha doanh, nha lanh
gian lai » gianh lai, gian lan, gia lai
lai dang » dai dang, hai dang, lai dong
te sach » toc sach
tu sach » thu sach, su sach, tu cach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( te sach tham kien nguoi con thong tin ) or ( tu sach nha danh gian lai dang thanh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach tham kien nguoi con thong tin ) OR ( tu sach nha danh gian lai dang thanh )).
• Adding a wildcard symbol may retrieve word variants: (( te sach tham kien nguoi con thong tin ) or ( tu sach nha danh gian lai dang thanh ))*.