Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh bo cong snippets" » "anh so cong snippets", "anh cao cong snippets", "anh hoc cong snippets", "anh co cong snippets", "anh buoc cong 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 bo cong 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 bo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh bo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.