Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngu dinh le snippets" » "ngu danh le snippets", "ngo dinh le snippets", "nghi dinh le snippets", "ngu dinh ve snippets", "ngu dinh ly snippets", "ngu dinh ket 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: (((("ngu dinh 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: (((("ngu dinh le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngu dinh le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngu dinh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.