Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua thi cong snippets" » "bua tai cong snippets", "bua thien cong snippets", "bui thi cong snippets", "luan thi cong snippets", "luat thi cong 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: (((("bua thi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua thi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua thi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua thi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.