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