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