Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong thu te snippets" » "duong thu te snippets", "cuong tu te snippets", "huong thu te snippets", "cuong thuc te snippets", "cuong thu xe snippets", "cuong thu tu 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 thu te 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 thu te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong thu te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong thu te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.