Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao va hoat snippets" » "hao va hoa snippets", "hao qua hoat snippets", "hao dan hoat snippets", "hao van hoat snippets", "tao va hoat snippets", "cao va hoat 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: (((("hao va hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao va hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao va hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao va hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.