Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"doi dam cao snippets" » "doi nam cao snippets", "doi dau cao snippets", "doi dan cao snippets", "doi dam bao snippets", "doi dam rao 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: (((("doi dam cao snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dam cao snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dam cao snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dam cao snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.