Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loc tinh cao snippets" » "hoi tinh cao snippets", "hoa tinh cao snippets", "o tinh cao snippets", "loc tinh lao snippets", "loc tinh chat snippets", "loc tinh cach 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: (((("loc tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loc tinh cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loc tinh cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loc tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.