Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho cuu long snippets" » "kho cuu cong snippets", "kho cuu nang snippets", "khao cuu long snippets", "kho cua long snippets", "ho 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: (((("kho 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: (((("kho cuu long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho cuu long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cuu long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.