Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"si rang cong snippets" » "si trang cong snippets", "si dang cong snippets", "si hang cong snippets", "sinh rang cong snippets", "si trong 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: (((("si rang 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: (((("si rang cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( si rang cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("si rang cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.