Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu chan dot snippets" » "chu chan code snippets", "chu han dot snippets", "chua chay dot snippets", "chu van dot snippets", "chu nhan dot snippets", "chu chan doan snippets", "chu than doc 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: (((("chu chan dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu chan dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chu chan dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu chan dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.