Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bien lon snippets" » "thi lien lon snippets", "thi hien lon snippets", "tai bien lon snippets", "thi bien soan snippets", "thi bien nong snippets", "thi bien dong 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 bien lon 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 bien lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bien lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bien lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.