Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra dinh cu snippets" » "tran dinh cu snippets", "tra linh cu snippets", "tra binh cu snippets", "tra dinh cuu snippets", "tra dinh chuc snippets", "tra dinh chau 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: (((("tra dinh cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra dinh cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra dinh cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra dinh cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.