Perhaps you should try some spelling variations:
"hieu ca dinh snippets" » "hieu cac dinh snippets", "hieu va dinh snippets", "hieu ba dinh snippets", "hieu cua dinh snippets", "hieu ca dinh slippers"
"python using a snippets" » "python using a 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: (((("python using a snippets") or ("hieu ca dinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("hieu ca dinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( hieu ca dinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("hieu ca dinh snippets"))) or ("locating bug code snippets"))*.