Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"banh chi cho snippets" » "danh cho cho snippets", "dinh chi cho snippets", "bao chi cho snippets", "banh choi cho snippets", "banh chinh cho snippets", "banh chim choc 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: (((("banh chi 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: (((("banh chi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh chi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh chi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.