Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hinh vu cua snippets" » "hinh su cua snippets", "hinh va cua snippets", "dinh vu cua snippets", "hinh hu cua snippets", "hinh tu 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: (((("hinh vu 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: (((("hinh vu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hinh vu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hinh vu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.