Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach dan che snippets" » "bach dang che snippets", "bac dan che snippets", "bach van che snippets", "bach han che snippets", "bach dan cho snippets", "bach dan he 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: (((("bach dan 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: (((("bach dan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach dan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach dan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.