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