Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son hay cac snippets" » "son hai cac snippets", "son ha cac snippets", "hon hay cac snippets", "son tay cac snippets", "son vay cac snippets", "son phan cac 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 hay cac 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 hay cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son hay cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son hay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.