Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh luoc su slippers" » "hanh duoc su slippers", "hanh thuoc su slippers", "khanh quoc su slippers", "hanh duoc sua slippers", "hanh luoc su slippery", "hanh luoc su grippers"
"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: (((("hanh luoc su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh luoc su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh luoc su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh luoc su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.