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