Perhaps you should try some spelling variations:
phuong cong » phuong dong, phung cong, phuong hoang
chieu sach » chinh sach, chiet tach, chieu sang
phong cong » phong chong, thong cong, chong cong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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 va ((phuong cong) OR (phong cong)) danh ((tuan ban) or (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh va ((phuong cong) OR (phong cong)) danh ((tuan ban) OR (luan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh va ((phuong cong) OR (phong cong)) danh ((tuan ban) or (luan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh va ((phuong cong) OR (phong cong)) danh ((tuan ban) or (luan ban))*.