Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, hang cua, than cua
tranh cua » doanh cua, manh cua
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
toan ban » van ban

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

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