Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung bac do snippets" » "dong bac do snippets", "dung cac do snippets", "dung bai do snippets", "dung bac bo snippets", "dung ban do snippets", "dung bac ho 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: (((("dung bac do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung bac do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung bac do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung bac do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.