Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hanh cat snippets" » "kim thanh cat snippets", "kim anh cat snippets", "kim oanh cat snippets", "kim hanh cac snippets", "kim hanh luat snippets", "kim nhanh cay 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: (((("kim hanh cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim hanh cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hanh cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hanh cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.