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