Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan che du snippets" » "phan che code snippets", "han che du snippets", "phap che du snippets", "phan thi du snippets", "phan che do snippets", "phan che tu snippets", "phan che duoc 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan che du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan che du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.