Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi trang co snippets" » "thu trang co snippets", "thuc trang co snippets", "thi truong co snippets", "thi trang cho snippets", "thi trang con snippets", "thi trang o 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 trang co 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 trang co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi trang co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi trang co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.