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