Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan va canh snippets" » "doan va canh snippets", "tran van canh snippets", "toan ban canh snippets", "toan van canh snippets", "toan va cach snippets", "toan ve canh 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 va canh 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 va canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan va canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan va canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.