Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"len tac dao snippets" » "luan tac dao snippets", "len toc dao snippets", "len tac da snippets", "len tac bao snippets", "len tac dao slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("len tac dao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len tac dao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len tac dao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len tac dao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.