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