Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sua hoc can snippets" » "cua hoc can snippets", "su hoc can snippets", "sua khoa can snippets", "sua hoc dan snippets", "sua hoc cao snippets", "sua hoc cac 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: (((("sua hoc 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: (((("sua hoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sua hoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sua hoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.