Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vien may cnc snippets" » "vien xay cnc snippets", "kien may cnc snippets", "viet may cnc snippets", "vien may cong snippets", "vien phay cnc 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: (((("vien may cnc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vien may cnc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vien may cnc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vien may cnc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.