Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon thit hoa snippets" » "bo thit hoa snippets", "loan thi hoa snippets", "lon nhat hoa snippets", "lon thit khoa snippets", "lon thi hoa snippets", "lon thuat hoa 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: (((("lon thit hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon thit hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon thit hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon thit hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.