Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
thoai cac » tai cac, thong cac, tho cac
chu bang » thu bang, chuc nang, chu quang
kha nang » phap nang, ky nang, ki nang
thai cao » tai cao, thuat cao, toan cao
dong y » dang y

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 - canh tranh ((chu bang) or (kha nang)) dong y ((thai cao) OR (thoai cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh tranh ((chu bang) OR (kha nang)) dong y ((thai cao) OR (thoai cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - canh tranh ((chu bang) or (kha nang)) dong y ((thai cao) OR (thoai cac))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh tranh ((chu bang) or (kha nang)) dong y ((thai cao) OR (thoai cac))*.