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