Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hau tong cuc snippets" » "hau tong code snippets", "khau tong cuc snippets", "han tong cuc snippets", "hau bong cuc snippets", "hau trong cuoc snippets", "hau thong cua snippets", "hau cong chuc 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 tong cuc 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 tong cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hau tong cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau tong cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.