Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua chi cong snippets" » "bua thi cong snippets", "bua cho cong snippets", "bua phi cong snippets", "bua chu cong snippets", "bui chi cong snippets", "cua chi 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 chi 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 chi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua chi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua chi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.