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