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
chuan chau » chuan chat, chuan ha, chua chay
huan chau » chuan chat, tran chau, huu chau
tranh he » trinh he, tranh ha, tinh he
cong van » cong vang, cong san, song van

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)) - canh tranh he thong cong van ((huan chau) or (chuan chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - canh tranh he thong cong van ((huan chau) OR (chuan chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - canh tranh he thong cong van ((huan chau) or (chuan chau))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - canh tranh he thong cong van ((huan chau) or (chuan chau))*.