Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong ke can snippets" » "thong ke can snippets", "trong ky can snippets", "trong le can snippets", "trong ke cau snippets", "trong ke dan snippets", "trong ke san 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: (((("trong ke can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong ke can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong ke can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong ke can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.