Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan chat moi snippets" » "dan chat code snippets", "van chat moi snippets", "dan chan moi snippets", "ban chat moi snippets", "dan nhat moi snippets", "dan thuat moi snippets", "dan cho 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: (((("dan chat moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan chat moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan chat moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan chat moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.