Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"biet van anh snippets" » "viet van anh snippets", "biet va anh snippets", "biet lang anh snippets", "biet van thanh snippets", "biet van minh snippets", "biet tuan anh snippets", "biet van anh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("biet van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("biet van anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( biet van anh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("biet van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.