Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac tiem can snippets" » "tac kiem can snippets", "tich tiem can snippets", "tac viet can snippets", "tac tiep can snippets", "tac tiem nang snippets", "tac dieu can 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: (((("tac tiem 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: (((("tac tiem can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac tiem can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac tiem can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.