Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha bo cong snippets" » "pha so cong snippets", "pha cao cong snippets", "pha hoc cong snippets", "phan bo cong snippets", "pha co cong snippets", "phan bon cong 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: (((("pha bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha bo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha bo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.