Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan hoa doc snippets" » "toan khoa doc snippets", "toan hoat doc snippets", "toan hoc doc snippets", "toan hoa duoc snippets", "toan hoa hoc snippets", "toan hoa doi 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: (((("toan hoa 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: (((("toan hoa doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan hoa doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan hoa doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.