Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lay mat cua snippets" » "ly mat cua snippets", "lam mat cua snippets", "lay hat cua snippets", "lay ma cua snippets", "lay manh cua snippets", "lay mang 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: (((("lay mat 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: (((("lay mat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lay mat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lay mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.