Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon dieu can snippets" » "hoc dieu can snippets", "han dieu can snippets", "thong dieu can snippets", "hon dieu hanh snippets", "hon tiep can snippets", "hon dieu cua 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: (((("hon dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hon dieu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon dieu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.