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