Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong bi hoi snippets" » "cuong bai hoi snippets", "uong bi hoi snippets", "cong bi hoi snippets", "cuong bia hoi snippets", "cuong bi hai snippets", "cuong bi hoa 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: (((("cuong bi hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong bi hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong bi hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong bi hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.