Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"oi luoi tinh snippets" » "oi hoi tinh snippets", "oi loc tinh snippets", "oi gioi tinh snippets", "o luoi tinh snippets", "oi loi tinh snippets", "voi tuoi tinh snippets", "oi luoi tinh 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: (((("oi luoi tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("oi luoi tinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( oi luoi tinh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("oi luoi tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.