Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu quynh co snippets" » "thuy quynh co snippets", "thi quynh co snippets", "nhu quynh co snippets", "thu quynh cu snippets", "thu quynh hoa snippets", "thu quynh ts 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 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: (((("thu quynh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu quynh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu quynh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.