Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua khong » hua khong, cua phuong, cua thuong
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh nang, anh sang, anh tong
anh bang » anh hoang, anh quang, tinh bang
anh dang » anh dong, anh dung, anh danh
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: ho chieu xanh - ((((anh tang) or (anh bang))) or (anh dang)) cua khong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((((anh tang) OR (anh bang))) OR (anh dang)) cua khong cong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((((anh tang) or (anh bang))) or (anh dang)) cua khong cong tinh toan ban*.