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