Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son bo cong snippets" » "son so cong snippets", "son cao cong snippets", "son hoc cong snippets", "sun bo cong snippets", "con bo cong snippets", "gon bo cong 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 bo cong 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 bo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son bo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.