Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho bat cong snippets" » "pho bat dong snippets", "pho ban cong snippets", "pho bot cong snippets", "pho bac cong snippets", "phap 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: (((("pho bat 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: (((("pho bat cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho bat cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho bat cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.