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