Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu thi da snippets" » "trieu thi da snippets", "dieu tri da snippets", "su thi da snippets", "sieu thi dai snippets", "sieu thi dua snippets", "sieu thi dan 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: (((("sieu thi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sieu thi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu thi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu thi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.