Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"hong thu java slippers" » "hoang thu java slippers", "phong thu java slippers", "thong thu java slippers", "hong ngu java slippers", "hong thu va slippers", "hong thu java slippery", "hong thu 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: (((("hong thu 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: (((("hong thu java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong thu java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong thu java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.