Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"con chuan do snippets" » "con chuan code snippets", "con chua do snippets", "doan chuan do snippets", "dong chuan do snippets", "con chuan dao snippets", "con chuan co snippets", "con chuan doan 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: (((("con chuan 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: (((("con chuan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( con chuan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con chuan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.