Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu thi cap snippets" » "trieu thi cap snippets", "dieu tri cap snippets", "su thi cap snippets", "sieu thi chap snippets", "sieu thi cam snippets", "sieu thi ca 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 cap 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 cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu thi cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu thi cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.