Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"di dong tinh snippets" » "di dong kinh snippets", "di dong tin snippets", "di cong tinh snippets", "dien dong tinh snippets", "dao dong tinh snippets", "hoi dong tinh snippets", "di dong 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: (((("di dong 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: (((("di dong tinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( di dong tinh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("di dong tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.