Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao gap mot snippets" » "tao gap mot snippets", "dao giao mot snippets", "dat ngap mot snippets", "dao lap mot snippets", "dao gian mot 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 gap mot 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 gap mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao gap mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao gap mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.