Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong mo cho snippets" » "cuong ma cho snippets", "cuong vo cho snippets", "cuong do cho snippets", "cuong mo chon snippets", "cuong moi cho snippets", "cuong mo ho 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 mo cho 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 mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.