Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"linh vua cac snippets" » "linh vuc cac snippets", "minh vua cac snippets", "tinh va cac snippets", "linh va cac snippets", "linh cua cac snippets", "linh qua 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: (((("linh vua 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: (((("linh vua cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( linh vua cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("linh vua cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.