Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thua ke doc snippets" » "thuat ke doc snippets", "thuc ke doc snippets", "thue ke doc snippets", "thua ke do snippets", "thua me doc snippets", "thua ke doi 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: (((("thua ke 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: (((("thua ke doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thua ke doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thua ke doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.