Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khung con co snippets" » "khong con co snippets", "khung co co snippets", "khung mon co snippets", "khung cong co snippets", "khung con cho snippets", "khung con coi 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: (((("khung con co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khung con co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khung con co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khung con co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.