Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh cua con snippets" » "danh cua code snippets", "doanh cua con snippets", "manh cua con snippets", "dinh cua con snippets", "danh cua cong snippets", "danh cua co snippets", "danh cua can 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 cua con 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 cua con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( danh cua con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("danh cua con snippets"))) or ("locating bug core snippets"))*.