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