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