Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham doi do snippets" » "pham do do snippets", "pham moi do snippets", "pham voi do snippets", "pham doi bo snippets", "pham doi co snippets", "pham doi de 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: (((("pham doi 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: (((("pham doi do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham doi do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham doi do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.