Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han che hoi snippets" » "han che code snippets", "han che ho snippets", "han che noi snippets", "han che khoa snippets", "phan che hoi snippets", "nhan che hoi snippets", "hanh che hoi 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: (((("han che hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han che hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( han che hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han che hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.