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