Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, ho chieu
chinh cua » chinh ca, chinh sua, hinh cua
cac thanh » bac thanh, cach nhanh, ban thanh
tac than » tac thanh, tam than, tac nhan

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 - hanh chinh cua thuong cong ((tac than) or (cac thanh)) ma~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh chinh cua thuong cong ((tac than) OR (cac thanh)) ma*.