Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam so cua snippets" » "lam son cua snippets", "nam so cua snippets", "ham so cua snippets", "lam co cua snippets", "lam do cua snippets", "lam bo 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: (((("lam so 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: (((("lam so cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam so cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam so cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.