Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham huu mo snippets" » "pham duc mo snippets", "pham duy mo snippets", "phan huy mo snippets", "pham huu mot snippets", "pham huu co snippets", "pham huu ho 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 huu mo 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 huu mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham huu mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham huu mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.