Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"san cho minh snippets" » "san chi minh snippets", "san cho sinh snippets", "san cao minh snippets", "sang cho minh snippets", "san co minh snippets", "san cho minh slippers"
"locating bug code snippets" » "locating bug code slippers", "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 minh 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 minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cho minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cho minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.