Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bang son cua snippets" » "bang song cua snippets", "lang son cua snippets", "bang ion cua snippets", "bang con cua snippets", "bang san cua 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: (((("bang son cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bang son cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bang son cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bang son cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.