Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha pham ca snippets" » "ha pham ca snippets", "kha tham ca snippets", "khanh pham ca snippets", "kha pham can snippets", "kha pham ma snippets", "kha pham va 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: (((("kha pham ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha pham ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha pham ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha pham ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.