Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi moi rong snippets" » "phi moi trong snippets", "phi mo rong snippets", "phi moi cong snippets", "thi moi rong snippets", "phi loi rong snippets", "khi moi rong 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: (((("phi moi rong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi moi rong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi moi rong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi moi rong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.