Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong tinh » thuong tinh, thong tin, thong minh
doi chieu » doc hieu, doi chi, ho chieu
hang hang » nang hang, hung thang, lang thang
cua thong » cua thuong, cua khong, cua tong
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: doi chieu xanh - ((hang hang) or (cang thang)) cua thong thong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((hang hang) OR (cang thang)) cua thong thong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hang hang) or (cang thang)) cua thong thong tinh toan ban*.