Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung le ve snippets" » "nhung ke ve snippets", "nhung se ve snippets", "nhung loi ve snippets", "nhung le va snippets", "nhung de ve snippets", "nhung ly ve 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: (((("nhung le ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung le ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung le ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung le ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.