Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
hanh hanh » hanh han, xanh hanh, nhanh thanh
tranh ban » trinh ban, tranh hang, tranh luan
cong tac » cong ty
hanh va » hang va, hanh vi

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 hanh va nhung ((cong thanh) or (cong tac)) tranh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh hanh va nhung ((cong thanh) OR (cong tac)) tranh ban*.