Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"lan dao va snippets" » "lanh dao va snippets", "van dao va snippets", "lan dau va snippets", "lan dao van snippets", "lan tao va snippets", "lan do va snippets", "lan dao 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: (((("lan dao 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: (((("lan dao va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan dao va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan dao va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.