Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gian moi dan snippets" » "gian hoi dan snippets", "gia moi dan snippets", "gian mot dan snippets", "gian moi dang snippets", "gian doi dan snippets", "gian moi dan 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 moi dan 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 moi dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian moi dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian moi dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.