Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri do cac snippets" » "tri doi cac snippets", "tri co cac snippets", "tri du cac snippets", "tri o cac snippets", "tri do 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 do cac 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 do cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri do cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri do cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.