Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh he cho snippets" » "trinh he cho snippets", "tinh ha cho snippets", "tich he cho snippets", "tinh he cheo snippets", "tinh het cho snippets", "tinh he co 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: (((("tinh he cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh he cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh he cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh he cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.