Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh ma hoc snippets" » "anh mau hoc snippets", "hanh ma hoc snippets", "anh va hoc snippets", "anh ma hoa snippets", "anh mo hoc 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 ma hoc 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 ma hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh ma hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh ma hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.