Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu hat mon snippets" » "khuc hat mon snippets", "thu nhat mon snippets", "chu nhat mon snippets", "khu hao mon snippets", "khu hau mon snippets", "khu nhap mon 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: (((("khu hat mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu hat mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu hat mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu hat mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.