Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc giai cai snippets" » "hoc giao cai snippets", "hoc dai cai snippets", "so giai cai snippets", "hoc giai bai snippets", "hoc giai ca snippets", "hoc giai 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 giai cai 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 giai cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc giai cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc giai cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.