Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh cua loc snippets" » "danh cua code snippets", "doanh cua loc snippets", "manh cua loc snippets", "dinh cua loc snippets", "danh chua loc snippets", "danh cua hoc snippets", "danh cua lop 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: (((("danh cua loc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cua loc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh cua loc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cua loc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.