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