Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao thi ve snippets" » "do thi ve snippets", "dan thi ve snippets", "dang thi ve snippets", "dao thi vu snippets", "dao thi le snippets", "dao thi va 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 thi 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 thi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao thi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao thi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.