Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua cong chu snippets" » "cua cong chu snippets", "qua song chu snippets", "va cong chu snippets", "qua cong chuc snippets", "qua cong chua snippets", "qua cong cu 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: (((("qua cong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua cong chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua cong chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua cong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.