Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
toan tai » toan tap, doanh tai, toan ban
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 - hanh chinh cua nhung cong thanh ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh chinh cua nhung cong thanh ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh chinh cua nhung cong thanh ((toan tai) or (toan cao))*.