Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan my doi snippets" » "hoang my doi snippets", "hoa my doi snippets", "toan my doi snippets", "hoan ky doi snippets", "hoan ly doi 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: (((("hoan my doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan my doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan my doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan my doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.