Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ly tran tong snippets" » "ly tran trong snippets", "ly tran thong snippets", "ly tran tuong snippets", "ly toan tong snippets", "ly trong tong snippets", "huy tran 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: (((("ly tran 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: (((("ly tran tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ly tran tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ly tran tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.