Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai hung hoa snippets" » "mai hung hoa snippets", "tai hung hoa snippets", "ha hung hoa snippets", "hai hang hoa snippets", "hai ung hoa snippets", "hai trung 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: (((("hai hung 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: (((("hai hung hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai hung hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai hung hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.