Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran ky chi snippets" » "than ky chi snippets", "toan ky chi snippets", "tran sy chi snippets", "tran ky thi snippets", "tran ly chi snippets", "tran ke chi 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: (((("tran ky chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran ky chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran ky chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran ky chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.