Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi ky danh snippets" » "voi ky anh snippets", "voi ky dang snippets", "hoi ky danh snippets", "vi ky danh snippets", "voi ke danh snippets", "voi ky danh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("voi ky danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi ky danh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi ky danh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi ky danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.