Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
khoan cam » khoa cam, khoan va, phan cam
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh dung cua nhung cong san ((than cap) OR (khoan cam))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh dung cua nhung cong san ((than cap) OR (khoan cam))*".