Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai pham mo snippets" » "hang pham mo snippets", "loai pham mo snippets", "san pham mo snippets", "hai phap mo snippets", "hai pham ma snippets", "hai pham o 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 mo 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 mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai pham mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai pham mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.