Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh ve du snippets" » "dinh ket du snippets", "dinh van du snippets", "dinh ve su snippets", "dinh te du snippets", "dinh va du 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 ve du 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 ve du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh ve du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh ve du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.