Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri cuu long snippets" » "tri cuu cong snippets", "tri cuu nang snippets", "tri cua long snippets", "tra cuu long snippets", "trinh cuu long 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: (((("tri cuu long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri cuu long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri cuu long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri cuu long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.