Perhaps you should try some spelling variations:
"luong java java slippers" » "luong va java slippers", "luong java java slippery", "luong java java grippers"
"dung kem robot snippets" » "dung ke robot snippets", "vung kem robot snippets", "dong kem robot snippets", "dung ket robot snippets"
"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: (((("luong java java slippers") or ("dung kem robot snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong java java slippers") OR ("dung kem robot snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong java java slippers ) or ( dung kem robot snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong java java slippers") or ("dung kem robot snippets"))) or ("locating bug code snippets"))*.