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