Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trang luan » tranh luan, trang tuan, truong luan
tang luan » dung luan
cuong tap » luong tap, cong tac, cong tan
luong tai » dung tai, luong va
ho chieu » theo chieu, hoc thieu, doi chieu
quan cap » quan cau, quan lap, quang cao

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 - hanh ((trang luan) OR (tang luan)) phuong ((cuong tap) or (luong tai)) quan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trang luan) OR (tang luan)) phuong ((cuong tap) OR (luong tai)) quan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((trang luan) OR (tang luan)) phuong ((cuong tap) or (luong tai)) quan cap*".