Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung lao bo snippets" » "dung lam bo snippets", "dung bao bo snippets", "dung lai bo snippets", "dung lao o snippets", "dung nao bo 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 lao bo 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 lao bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lao bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lao bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.