Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung cu ve snippets" » "nhung cau ve snippets", "nhung chu ve snippets", "chung cu ve snippets", "nhung cuu ve snippets", "nhung cua ve snippets", "nhung cu va 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 cu ve 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 cu ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cu ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.