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