Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"voi luc ton snippets" » "noi luc ton snippets", "voi suc ton snippets", "voi cuoc ton snippets", "voi duc ton snippets", "voi luc son snippets", "voi luc trong 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: (((("voi luc ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi luc ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi luc ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi luc ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.