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