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