Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cong dung » cuong dung, cong dong, cong luong
dung toan » dung doanh, dung thang, dung thanh
cua dang » cua ban
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: ho ((chieu xanh) or (chieu sach)) - nhanh tinh ((cua dang) OR (cua cong)) cong dung toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - nhanh tinh ((cua dang) OR (cua cong)) cong dung toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - nhanh tinh ((cua dang) OR (cua cong)) cong dung toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - nhanh tinh ((cua dang) OR (cua cong)) cong dung toan cao*.