Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc cong cu snippets" » "ngoc cuong cu snippets", "nuoc cong cu snippets", "ngoc long cu snippets", "ngoc chung cu 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 cong cu 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 cong cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc cong cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc cong cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.