Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan dao cho snippets" » "nhan dan cho snippets", "nhan tao cho snippets", "nhan dai cho snippets", "nhan cao cho snippets", "nhan dac cho snippets", "nhan dao ho 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: (((("nhan dao cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan dao cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan dao cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan dao cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.