Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long dao do snippets" » "luong dao do snippets", "dong dao do snippets", "duong dao do snippets", "long dao o snippets", "long dao ho snippets", "long dao dong 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: (((("long dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.