Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra linh ve snippets" » "tran dinh ve snippets", "tran minh ve snippets", "tran vinh ve snippets", "tra dinh ve snippets", "tra kinh ve snippets", "tra minh ve 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 linh ve 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 linh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra linh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra linh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.