Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu va chi snippets" » "thuc va chi snippets", "thue va chi snippets", "tu va chi snippets", "thu van chi snippets", "thu va che snippets", "thu va cai 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 va chi 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 va chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu va chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu va chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.