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