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