Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham bi hoi snippets" » "pham ba hoi snippets", "pham vi hoi snippets", "cham bi hoi snippets", "pham bia hoi snippets", "pham bi hai snippets", "pham bi hoa 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 bi hoi 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 bi hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham bi hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham bi hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.