Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc binh cuu snippets" » "duc binh cuu snippets", "quoc binh cuu snippets", "luc canh cuu snippets", "luc dinh cuu snippets", "luc vinh cuu snippets", "luc binh chu 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: (((("luc binh cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc binh cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc binh cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc binh cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.