Perhaps you should try some spelling variations:
"yen thanh java snippets" » "yen thanh va snippets", "yen trinh java snippets", "yen think java snippets", "den thanh java snippets", "huyen thanh java snippets", "tien thanh java snippets", "yen thanh java slippers"
"using java java snippets" » "using data java snippets", "using java java 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: (((("yen thanh java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yen thanh java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( yen thanh java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yen thanh java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.