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