Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buoc khac co snippets" » "buoc kham co snippets", "bui khac co snippets", "buoc khoi co snippets", "buoc khac do snippets", "buoc khac mo snippets", "buoc khao co 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: (((("buoc khac co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buoc khac co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoc khac co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoc khac co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.