Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi huu chan snippets" » "noi huu han snippets", "noi huu chau snippets", "noi huu phan snippets", "ngoc huu chan snippets", "noi thuc chan snippets", "nuoc huu chan 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: (((("noi huu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi huu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi huu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi huu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.