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