Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh chon co snippets" » "dinh cuong co snippets", "dinh phong co snippets", "dinh chinh co snippets", "dinh chong co snippets", "dinh con co snippets", "dinh chon loc 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: (((("dinh chon co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh chon co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh chon co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh chon co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.