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