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