Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don chat le snippets" » "doc chat le snippets", "cong chat le snippets", "dinh chat le snippets", "don nhat le snippets", "don hat le snippets", "don chat lien 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: (((("don chat le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don chat le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don chat le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don chat le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.