Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"thieu thi java slippers" » "thieu nhi java slippers", "trieu thi java slippers", "thieu tai java slippers", "thieu think java slippers", "thieu thi java slippery", "thieu thi 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: (((("thieu thi 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: (((("thieu thi java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu thi java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu thi java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.