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