Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua khong, cua tong, suat thong
chi sach » chieu sach, co sach, moi sach
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (chinh sach)) - lanh manh ((cua thong) OR (cua thuong)) cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chinh sach)) - lanh manh ((cua thong) OR (cua thuong)) cong san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi sach) or (chinh sach)) - lanh manh ((cua thong) OR (cua thuong)) cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chinh sach)) - lanh manh ((cua thong) OR (cua thuong)) cong san toan cao*.