Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cau den snippets" » "dong cau code snippets", "cong cau den snippets", "dong cac den snippets", "dong mau den snippets", "dong cap den snippets", "dong cau de snippets", "dong hau den 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: (((("dong cau den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cau den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong cau den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cau den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.