Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh viet de snippets" » "danh viet code snippets", "anh viet de snippets", "ninh viet de snippets", "nang viet de snippets", "danh biet de snippets", "danh viet da snippets", "danh viet 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: (((("python using java snippets") or ("danh viet de snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("danh viet de snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( danh viet de snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("danh viet de snippets"))) or ("locating bug core snippets"))*.