Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi dien cua snippets" » "doi dien cua snippets", "hoi vien cua snippets", "hoa dien cua snippets", "hoi dieu cua snippets", "hoi dien cu snippets", "hoi dien cuc 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: (((("hoi dien cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi dien cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi dien cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dien cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.