Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"thu tinh va snippets" » "thue tinh va snippets", "thuy tinh va snippets", "thuc tinh va snippets", "thu tich va snippets", "thu trinh van snippets", "thu trinh vat snippets", "thu tinh va 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: (((("thu tinh va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu tinh va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu tinh va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu tinh va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.