Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan voi can snippets" » "dan voi code snippets", "dan hoi can snippets", "ban voi can snippets", "da voi can snippets", "dan voi cac snippets", "dan voi cong snippets", "dan voi hang 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 voi can 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 voi can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan voi can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan voi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.