Perhaps you should try some spelling variations:
"dung cong core snippets" » "dung trong core snippets", "dung cong cong snippets", "dung cong che snippets", "dung cong coc snippets", "dung dong core snippets", "dung cong cure snippets", "dung cong sore snippets"
"dung cong co snippets" » "dung trong co snippets", "dung dong co snippets", "dung cong cu snippets", "dung cong so snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung cong core snippets") OR ("dung cong co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cong core snippets") OR ("dung cong co snippets"))) OR ("locating bug code snippets")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung cong core snippets\") OR (\"dung cong co snippets\"))) or (\"locating bug code snippets\"))".
• Removing quotes may allow a broader search: (((( dung cong core snippets ) OR ( dung cong co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cong core snippets") OR ("dung cong co snippets"))) or ("locating bug code snippets"))*.