Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau doi toi snippets" » "cau doi code snippets", "cau hoi toi snippets", "cau do toi snippets", "cau noi toi snippets", "cau doi thoi snippets", "cau doi voi snippets", "cau doi moi 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: (((("cau doi toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau doi toi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cau doi toi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau doi toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.