Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi quan de snippets" » "thi xuan de snippets", "tri quan de snippets", "thi luan de snippets", "thi quan den snippets", "thi quang de snippets", "thi quan 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: (((("thi quan de 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 quan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi quan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi quan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.