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