Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang hoai le snippets" » "dang hai le snippets", "dang loai le snippets", "dung hoai le snippets", "dang hoa le snippets", "dang hoai 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: (((("dang hoai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hoai le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hoai le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hoai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.