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