Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"xin cua minh snippets" » "xin cua sinh snippets", "xin cua tinh snippets", "xin cua kinh snippets", "gian cua minh snippets", "dinh cua minh snippets", "tien cua minh snippets", "xin cua minh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("xin cua minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xin cua minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin cua minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin cua minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.