Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc hanh lo snippets" » "thuc hanh mo snippets", "thuc thanh loi snippets", "thuc nhanh lao snippets", "thu hanh lo 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: (((("thuc hanh lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc hanh lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc hanh lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc hanh lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.