Perhaps you should try some spelling variations:
"luc qua cham snippets" » "luc qua code snippets", "luc qua hai snippets", "luc qua cac snippets", "luc va cham snippets", "luc quan cham snippets", "luc cua cham snippets", "luc nua cham 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 ("luc qua cham snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luc qua cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luc qua cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luc qua cham snippets"))) or ("locating bug core snippets"))*.