Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi tu tong snippets" » "chi tu tuong snippets", "chi tu trong snippets", "chi tu dong snippets", "choi tu tong snippets", "cai tu tong snippets", "thi tu tong 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: (((("chi tu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi tu tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi tu tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi tu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.