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