Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phai tac can snippets" » "phai tai can snippets", "phoi tac can snippets", "khai thac can snippets", "phai tac van snippets", "phai tac quan snippets", "phai tac vang 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: (((("phai tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phai tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phai tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phai tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.