Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con song du snippets" » "can song du snippets", "con hong du snippets", "cuoc song du snippets", "con song da snippets", "con mong du snippets", "con song ngu 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: (((("con song 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: (((("con song du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con song du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con song du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.