Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tin dung slippers" » "thi thin dung slippers", "thi tinh dung slippers", "chi tin dung slippers", "thi tin dung slippery", "thi tin dung 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: (((("thi tin dung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tin dung slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tin dung slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tin dung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.