Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac ban cong snippets" » "bac bang cong snippets", "bac van cong snippets", "bac phan cong snippets", "cac ban cong snippets", "bac can cong snippets", "bac dan cong 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: (((("bac ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac ban cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac ban cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.