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