Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son ha canh snippets" » "son ha anh snippets", "son ha manh snippets", "son khia canh snippets", "son hai canh snippets", "son la canh 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: (((("son ha canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son ha canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son ha canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son ha canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.