Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong cac do snippets" » "cuong cac code snippets", "luong cac do snippets", "cong cac do snippets", "trong cac do snippets", "cuong cac don snippets", "cuong cac doi snippets", "cuong cac du snippets"
"python using java snippets" » "python using data 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 cac do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong cac do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuong cac do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong cac do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.