Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phia van hoe snippets" » "phi van hoe snippets", "pha van hoe snippets", "pham van hoe snippets", "phia van hoa snippets", "phia van hoc snippets", "phia van hieu 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: (((("phia van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phia van hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phia van hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phia van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.