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