Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi phap hop snippets" » "theo phap hop snippets", "thi hai hop snippets", "thi ha hop snippets", "thi phap hoc snippets", "thi phap hoa snippets", "thi phap hoan 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: (((("thi phap hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi phap hop snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi phap hop snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi phap hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.