Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
tran van » luan van
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 ((tran van) or ((luan or lan) van)) nhung cong vinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((tran van) OR ((luan OR lan) van)) nhung cong vinh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((tran van) or ((luan or lan) van)) nhung cong vinh toan cao*.