Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"manh vi con snippets" » "hanh vi con snippets", "mach vi con snippets", "manh va con snippets", "manh vit con snippets", "manh voi con 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: (((("manh vi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh vi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh vi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh vi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.