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