Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
tan chan » dan chan, ban chan, tam chan
can chan » dan chan, cam chan, ban chan

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

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