Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gon hao pham snippets" » "gon hai pham snippets", "gon ha pham snippets", "gon hang pham snippets", "hoan hao pham snippets", "ngoc hao pham snippets", "gon hao pham slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("gon hao pham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gon hao pham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gon hao pham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gon hao pham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.