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