Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap mon son snippets" » "nhap mon son snippets", "phap mo son snippets", "phap moi son snippets", "phap min son snippets", "phap dong son snippets", "phap minh son 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: (((("phap mon son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap mon son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap mon son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap mon son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.