Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri na2o cao snippets" » "tri nao cao snippets", "tri nho cao snippets", "tri nang cao snippets", "tri bao cao snippets", "tri tao cao 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 na2o cao 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 na2o cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri na2o cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri na2o cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.