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