Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh thong » thanh thuong, thanh hong, thanh thang
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
cong tinh » cong trinh, cong vinh, long tinh
thong va » thong cua, truong va, thong qua
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: doi ((chieu xanh) or (chiet tach)) - thanh thong va thuong cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chiet tach)) - thanh thong va thuong cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chiet tach)) - thanh thong va thuong cong tinh toan cao*.