Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh con so snippets" » "trinh con so snippets", "tinh son so snippets", "tinh co so snippets", "tinh cong so snippets", "tinh hon so snippets", "tinh con bo 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: (((("tinh con so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh con so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh con so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh con so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.