Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuoi cua de snippets" » "cuoi cua de snippets", "chuoi cung de snippets", "hoi cua de snippets", "chuoi cua te snippets", "chuoi cua du snippets", "chuoi cua he 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: (((("chuoi cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuoi cua de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuoi cua de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuoi cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.