Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han mong do snippets" » "hang mong do snippets", "han tong do snippets", "phan cong do snippets", "han mong doi snippets", "han dong do snippets", "han mong du 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 mong do 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 mong do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han mong do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han mong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.