Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"lan thu va snippets" » "van thu va snippets", "luan thuc va snippets", "dan thuc va snippets", "lan thuc va snippets", "lan thue va snippets", "lan tu va snippets", "lan thu 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 thu 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 thu va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan thu va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan thu va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.