Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thao van ton snippets" » "thai van ton snippets", "hao van ton snippets", "thanh van ton snippets", "thao van toan snippets", "thao van tan snippets", "thao van toi 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: (((("thao van ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thao van ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thao van ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thao van ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.