Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao dong can snippets" » "lao dong can snippets", "ha dong can snippets", "bat dong can snippets", "dao dong chan snippets", "dao dong san snippets", "dao dong ban snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dao dong can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao dong can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao dong can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao dong can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.