Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh vu doan snippets" » "dich vu doan snippets", "dinh ve doan snippets", "dinh cu doan snippets", "dinh du doan snippets", "dinh vu hoan snippets", "dinh vu soan 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: (((("dinh vu doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh vu doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh vu doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh vu doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.