Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat lon vo snippets" » "nhat loi vo snippets", "chat long vo snippets", "nhat linh vo snippets", "nhat lon va snippets", "nhat lon ve snippets", "nhat lon vi 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: (((("nhat lon 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: (((("nhat lon vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat lon vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat lon vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.