Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vit con tinh snippets" » "vit cong tinh snippets", "vit don tinh snippets", "vit son tinh snippets", "vat con tinh snippets", "vi con tinh snippets", "vot con tinh snippets", "vit con tinh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vit con 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: (((("vit con tinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vit con tinh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit con tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.