Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung don ho snippets" » "nhung van ho snippets", "nhung bo ho snippets", "nhung dong ho snippets", "nhung den ho snippets", "nhung don ha 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 don ho 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 don ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung don ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung don ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.