Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi vien he snippets" » "thi lien he snippets", "thi viet he snippets", "thi hien he snippets", "thi dien he snippets", "thi trien he snippets", "thi thien he 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: (((("python using java snippets") or ("thi vien he snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi vien he snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi vien he snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi vien he snippets"))) or ("locating bug code snippets"))*.