Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac dang do snippets" » "khach hang do snippets", "khac hoang do snippets", "kha nang do snippets", "khac nang doc snippets", "khac dung doi snippets", "khac dang duc 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: (((("khac dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.