Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
chieu bang » chieu sang, chu bang, khien bang
doi chieu » doc hieu, doi chi, ho chieu
tong cong » trong cong, cong cong, dung cong
thang va » hang va, trang va, thong va
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
va tong » va thong, va tuong, va trong

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 bang - nhanh thang va tong cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu bang - nhanh thang va tong cong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu bang - nhanh thang va tong cong tac ((toan cau) or (toan cao))*.