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