Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ran mo snippets" » "pham tran mo snippets", "pham van mo snippets", "pham lan mo snippets", "pham dan mo snippets", "pham fan mo 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 ran 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 ran mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ran mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ran mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.