Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong xa hoa snippets" » "dong xay hoa snippets", "duong xa hoa snippets", "dong ha hoa snippets", "dong xa khoa snippets", "dong xa hoi snippets", "dong ma hoa 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: (((("dong xa 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: (((("dong xa hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong xa hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong xa hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.