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