Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"from tu nhan snippets" » "from eu nhan snippets", "from two nhan snippets", "from tue nhan snippets", "from cu nhan snippets", "from tu ngan snippets", "from tu nhan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("from tu nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("from tu nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from tu nhan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from tu nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.