Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
duong anh » duong manh, duong xanh, duong vanh
tuan bang » tuan dang, tuan hoang, thuat bang
tuan ban » toan ban, luan ban, quang ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) OR (chieu sach)) - canh tranh cua nhung duong anh ((tuan ban) or (tuan bang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - canh tranh cua nhung duong anh ((tuan ban) OR (tuan bang)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - canh tranh cua nhung duong anh ((tuan ban) or (tuan bang))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (chieu sach)) - canh tranh cua nhung duong anh ((tuan ban) or (tuan bang))*.