Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong ke mo snippets" » "cuong ve mo snippets", "cuong ky mo snippets", "cuong le mo snippets", "cuong ke o snippets", "cuong ke co snippets", "cuong ke do 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: (((("cuong ke mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong ke mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong ke mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong ke mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.