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