Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"menh van hoe snippets" » "dinh van hoe snippets", "nen van hoe snippets", "benh va hoe snippets", "menh van hoa snippets", "menh van hoc snippets", "menh 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: (((("menh 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: (((("menh van hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( menh van hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("menh van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.