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