Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"doc hanh va snippets" » "hoc hanh va snippets", "duc hanh va snippets", "doi hanh va snippets", "doc hang va snippets", "doc hanh vi snippets", "doc hanh 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: (((("doc hanh 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: (((("doc hanh va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc hanh va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc hanh va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.