Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
tac thong » tac thuong, tac trong, tac chong
cong nang » cong ngang, cong lang, cong nong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
phan dau » hang dau

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 - thanh cong tac thong cong nang ((phan dau) OR (phan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh cong tac thong cong nang ((phan dau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh cong tac thong cong nang ((phan dau) OR (phan tu))*.