Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"how cho cuoc snippets" » "how cho duoc snippets", "how cho cac snippets", "how cho hoc snippets", "hoc cho cuoc snippets", "hoi cho cuoc snippets", "hop cho cuoc 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: (((("how cho cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("how cho cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( how cho cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("how cho cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.