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