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