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