Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung cac xe snippets" » "nhung cau xe snippets", "nhung bac xe snippets", "nhung ca xe snippets", "nhung cac he snippets", "nhung cac ke snippets", "nhung cac le 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: (((("nhung cac xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cac xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cac xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cac xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.