Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
minh tuan » anh tuan
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tan quan » tang quan, toan quan, van quan
quan cao » quang cao, quan cau, quan ao

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