Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lenh hanh ca snippets" » "lenh thanh ca snippets", "lenh canh ca snippets", "linh thanh ca snippets", "lenh hanh cac snippets", "lenh hanh cat snippets", "lenh hanh cua 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: (((("lenh hanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lenh hanh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lenh hanh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lenh hanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.