Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh voi cho snippets" » "hanh voi cho snippets", "hanh vi cho snippets", "lanh hai cho snippets", "lanh voi chon snippets", "lanh hoi cho snippets", "lanh moi cho 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: (((("lanh voi 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: (((("lanh voi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh voi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh voi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.