Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat huy can snippets" » "phan huy can snippets", "pham huy can snippets", "pham huu can snippets", "phat duy can snippets", "phat thuy canh snippets", "phat huy tran 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: (((("phat huy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat huy can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat huy can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat huy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.