Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san nom cac snippets" » "han nom cac snippets", "san noi cac snippets", "san nam cac snippets", "san gom cac snippets", "san ngon cac 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 nom cac 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 nom cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san nom cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san nom cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.