Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
dang cong » dung cong
cong tinh » cong trinh, cong vinh, long tinh
chinh va » chinh tai, hanh va, tinh va
chinh ta » chinh tai, chinh tri
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 va) or (chinh ta)) dang cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((chinh va) OR (chinh ta)) dang cong tinh toan cao*.