Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu dan hoat snippets" » "chu van hoa snippets", "chu dan hoc snippets", "chu danh hoa snippets", "chua dan hoat snippets", "chu han hoat snippets", "chu van 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: (((("chu dan 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: (((("chu dan hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu dan hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu dan hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.