Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
manh cua » doanh cua, ban cua
tan toan » tan tran, tap toan, van 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 ((chiet tach) or (chieu sach)) - canh manh cua ((hang cong) or (dung cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (chieu sach)) - canh manh cua ((hang cong) OR (dung cong)) tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chiet tach) or (chieu sach)) - canh manh cua ((hang cong) or (dung cong)) tan toan ban*.