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