Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
cach dung » sach dung, cach mang, tac dung
cua nhung » va nhung
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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 - cach dung cua nhung cong tan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - cach dung cua nhung cong tan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - cach dung cua nhung cong tan ((toan tai) or (toan ban))*.