Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"hanh tong va snippets" » "hanh trong va snippets", "han tong va snippets", "hanh dong va snippets", "hanh thong va snippets", "hanh tong van snippets", "hanh tong 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: (((("hanh tong 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: (((("hanh tong va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tong va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tong va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.