Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong tap » cuong tap, cong tac, cong tan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chiet tach)) - anh tang luan thong cong tap ((toan tap) or (doanh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - anh tang luan thong cong tap ((toan tap) OR (doanh tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - anh tang luan thong cong tap ((toan tap) or (doanh tai))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - anh tang luan thong cong tap ((toan tap) or (doanh tai))*.