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