Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi vien tue snippets" » "thi lien tue snippets", "thi viet tue snippets", "thi hien tue snippets", "thi dien tu snippets", "thi tien te snippets", "thi hien tu 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 vien tue 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 vien tue snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi vien tue snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi vien tue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.