Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"toan cau du snippets" » "toan cao du snippets", "toan ban du snippets", "toan tap du snippets", "toan cau do snippets", "toan cac du snippets", "toan cau tu 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: (((("toan cau du snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan cau du snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan cau du snippets ) or ( python using java snippets ))) or ( lochating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan cau du snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.