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