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