Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuc thi doi snippets" » "thuc thi doi snippets", "chuc thi doi snippets", "khac thi doi snippets", "khuc thai doi snippets", "khuc thi dai snippets", "khuc thi moi 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: (((("khuc thi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuc thi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuc thi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuc thi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.