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