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