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