Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh manh » lanh manh, canh tranh, cach mang
thong van » trong van, thong va, thong quan
cong sach » ong sach, song sach, duong sach
ho chieu » theo chieu, hoc thieu, mot chieu
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song

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 manh qua dung ((phung van) or (thong van)) cong sach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh manh qua dung ((phung van) OR (thong van)) cong sach.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh manh qua dung ((phung van) or (thong van)) cong sach*.