Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian su hoa snippets" » "gian suu hoa snippets", "gian xu hoa snippets", "giao su hoa snippets", "gian su hoan snippets", "gian su hoat snippets", "gian su khoa 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: (((("gian su hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian su hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian su hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian su hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.