Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban quyet vo snippets" » "van quyet vo snippets", "ban duyet vo snippets", "ban tuyet vo snippets", "ban quyen vo snippets", "ban tuyet voi snippets", "ban quyet van 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: (((("ban quyet vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban quyet vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban quyet vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban quyet vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.