Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi ca me snippets" » "doi ca me snippets", "cuoi cua me snippets", "nuoi cay me snippets", "duoi cha me snippets", "duoi ba me snippets", "duoi ca ve 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: (((("duoi ca me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoi ca me snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi ca me snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi ca me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.