Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thong cong » trong cong, tong cong, thong thong
nang thanh » dang thanh, tang thanh, nhanh thanh
tac thong » tac thuong, tac trong, tac chong
cong nang » cong ngang, cong lang, cong nong
thanh dau » thanh dat, thanh dam, thanh mau
cong tac » cong ty

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