Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu ly doc snippets" » "hieu ky doc snippets", "lieu ly doc snippets", "hien ly doc snippets", "hieu ly duoc snippets", "hieu ly hoc snippets", "hieu ly do 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: (((("hieu ly doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu ly doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu ly doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu ly doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.