Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
manh tung » manh hung, thanh tung
chi sach » chinh sach, chieu sach, co sach
anh nang » ganh nang, anh bang, anh dang
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
doi chi » doi khi

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 - ((manh tung) or (anh nang)) ((cua tong) or (cua thuong)) cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((manh tung) OR (anh nang)) ((cua tong) OR (cua thuong)) cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((manh tung) or (anh nang)) ((cua tong) or (cua thuong)) cong dan than ban*.