Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham soc hon snippets" » "cham soc hon snippets", "pham ngoc hon snippets", "pham sach hon snippets", "pham soc son snippets", "pham hoc hong 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: (((("pham soc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham soc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham soc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham soc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.