Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi phi doan snippets" » "thi thi doan snippets", "thi thai doan snippets", "thi phi san snippets", "chi phi doan snippets", "phi phi doan snippets", "thi phu doan 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: (((("thi phi 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: (((("thi phi doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi phi doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi phi doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.