Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh co ca snippets" » "anh so ca snippets", "danh cho ca snippets", "nganh co ca snippets", "anh co cau snippets", "anh co cua snippets", "anh co cac 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 co ca 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 co ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh co ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh co ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.