Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
lanh manh » lanh tranh, lan anh, van manh
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan 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 - ((cach mang) or (lanh manh)) va thong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((cach mang) OR (lanh manh)) va thong cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((cach mang) or (lanh manh)) va thong cong dan toan tap*.