Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan day cha snippets" » "toan dam cha snippets", "toan dai cha snippets", "toan may cha snippets", "toan day cua snippets", "toan day cho snippets", "toan day chu 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 day cha 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 day cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan day cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan day cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.