Perhaps you should try some spelling variations:
chieu bang » chu bang, khien bang, chieu xanh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tang » hanh trang, anh tang, hanh mang
va tuong » va thuong, va thong, xa truong
cong tac » cong ty
toan cao » toan ban, toan tap
tang va » trang va, tang van, thang va

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 bang) OR (chieu sang)) - hanh tang va tuong ((cong san) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu bang) OR (chieu sang)) - hanh tang va tuong ((cong san) OR (cong tac)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu bang) OR (chieu sang)) - hanh tang va tuong ((cong san) or (cong tac)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu bang) OR (chieu sang)) - hanh tang va tuong ((cong san) or (cong tac)) toan cao*.