Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi phap doc snippets" » "theo phap doc snippets", "thi hai doc snippets", "thi ha doc snippets", "thi phap hoc snippets", "thi phap coc snippets", "thi phap dot 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi phap doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi phap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.