Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ba cong snippets" » "phan bo cong snippets", "phan dau cong snippets", "phan lap cong snippets", "phan ban cong snippets", "phan bia cong snippets", "phan bat 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: (((("phan ba 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: (((("phan ba cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ba cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ba cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.