Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han gui cac snippets" » "han vui cac snippets", "gan gui cac snippets", "han giai cac snippets", "han cuoi cac snippets", "han giua 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: (((("han gui 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: (((("han gui cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han gui cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han gui cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.