Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hao cong coc snippets" » "hao cong code snippets", "cao cong coc snippets", "vao cong coc snippets", "ha cong coc snippets", "hao cong cuoc snippets", "hao cong cac snippets", "hao cong co 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: (((("hao cong coc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao cong coc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hao cong coc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao cong coc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.