Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh va vo snippets" » "hanh va vo snippets", "anh va vo snippets", "lanh dao vo snippets", "lanh va co snippets", "lanh va do snippets", "lanh va mo 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 va vo 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 va vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh va vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh va vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.