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