Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh anh cua snippets" » "minh danh cua snippets", "hinh anh cua snippets", "minh manh cua snippets", "minh hanh cua snippets", "minh canh cua 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: (((("minh anh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh anh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh anh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh anh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.