Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu quynh mo snippets" » "thuy quynh mo snippets", "thi quynh mo snippets", "nhu quynh mo snippets", "thu quynh hoa snippets", "thu quynh mai snippets", "thu quy mo 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: (((("thu quynh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu quynh mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu quynh mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu quynh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.