Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son tang mo snippets" » "son tung mo snippets", "son thanh mo snippets", "nen tang mo snippets", "son tang ma snippets", "son tang o snippets", "son tang co 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 tang mo 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 tang mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son tang mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son tang mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.