Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gian hieu 10 snippets" » "gian viet 10 snippets", "van hieu 10 snippets", "tin hieu 10 snippets", "gian hieu 220 snippets", "gian hieu 10 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: (((("gian hieu 10 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian hieu 10 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian hieu 10 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian hieu 10 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.