Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang dieu mo snippets" » "dang dieu moi snippets", "dang dieu co snippets", "dang dien mao snippets", "dan dieu mo snippets", "dung dieu mo snippets", "dong dieu mo 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: (((("dang dieu mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang dieu mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dieu mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dieu mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.