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