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