Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
quan trong » gian trong
doi chieu » doc hieu, doi chi, mot chieu
tac doanh » cac doanh, tac danh, toan doanh
doanh cao » doanh co, doanh bao, doanh cho
hanh van » thanh van, khanh van, hanh san
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 sang - ((hanh van) OR (hanh va)) quan trong cong tac doanh cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((hanh van) OR (hanh va)) quan trong cong tac doanh cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((hanh van) OR (hanh va)) quan trong cong tac doanh cao*.