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