Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
ho chiet » ho chieu, ho thiet, hoc thiet
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh tranh cua ((nhung cong) OR (thong cong)) tan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh cua ((nhung cong) OR (thong cong)) tan ((toan tai) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh tranh cua ((nhung cong) OR (thong cong)) tan ((toan tai) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua ((nhung cong) OR (thong cong)) tan ((toan tai) or (toan ban))*.