Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh noi hoac snippets" » "anh doi hoac snippets", "anh noi khoa snippets", "anh hoi hoc snippets", "hanh noi hoac 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: (((("anh noi hoac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh noi hoac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh noi hoac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh noi hoac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.