Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
cong tac » cong ty
chinh ca » chinh ta, chinh tai, chinh cho
chinh va » chinh ta, chinh tai, hanh 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 xanh) or (chiet tach)) - canh tranh cua thong cong tac ((chinh ca) or (chinh va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - canh tranh cua thong cong tac ((chinh ca) OR (chinh va)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chiet tach)) - canh tranh cua thong cong tac ((chinh ca) or (chinh va))*.