Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thieu dao ve snippets" » "thieu so ve snippets", "lieu dao ve snippets", "trieu dai ve snippets", "thieu bao ve snippets", "thieu dap ve snippets", "thieu dau 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: (((("thieu dao 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: (((("thieu dao ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu dao ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu dao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.