Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham hao mon snippets" » "pham bao mon snippets", "pham ha mon snippets", "pham hai mon snippets", "pham hat mon snippets", "pham hau mon snippets", "pham ho mon 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 hao mon 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 hao mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hao mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham hao mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.