Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho su du snippets" » "cho sua du snippets", "cao su du snippets", "cho cu du snippets", "cho so du snippets", "cho su tu snippets", "cho su cu 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: (((("cho su du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho su du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho su du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho su du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.