Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kip lap toan snippets" » "kip tap toan snippets", "kip lap doanh snippets", "kip phap toan snippets", "kip lam toan snippets", "kien lap toan 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: (((("kip lap toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kip lap toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kip lap toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kip lap toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.