Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san cho tre snippets" » "sang cho tre snippets", "san chi tre snippets", "san co tre snippets", "san cho thue snippets", "san khoe tre 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: (((("san cho tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san cho tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cho tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cho tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.