Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham hai mo snippets" » "pham hoai mo snippets", "pham tai mo snippets", "pham ha mo snippets", "pham hai moi snippets", "pham khai mo snippets", "pham hai so 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 hai 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 hai mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hai mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham hai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.