Perhaps you should try some spelling variations:
"dao cac cuoc snippets" » "dao cac code snippets", "dao cac nuoc snippets", "dao ca cuoc snippets", "dao cac quoc snippets", "do cac cuoc snippets", "sao cac cuoc snippets", "tao cac cuoc 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 ("dao cac cuoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dao cac cuoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dao cac cuoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dao cac cuoc snippets"))) or ("locating bug core snippets"))*.