Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang son he snippets" » "giang van he snippets", "lang son he snippets", "giang son ha snippets", "giang son le snippets", "giang mon he 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: (((("giang son he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang son he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang son he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang son he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.