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