Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu tich chi snippets" » "chu tich chi snippets", "chu thich chi snippets", "thue tinh chi snippets", "thu dich chi snippets", "thu tich chien snippets", "thu tich chinh 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 tich 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 tich chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu tich chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu tich chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.