Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may dieu can snippets" » "may dien can snippets", "may sieu can snippets", "mau dieu can snippets", "may dieu hanh snippets", "may tiep can snippets", "may 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: (((("may 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: (((("may dieu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may dieu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.