Perhaps you should try some spelling variations:
"may trinh minh slippers" » "may trinh kinh slippers", "may trinh dinh slippers", "may trinh sinh slippers", "may tinh minh slippers", "lap trinh minh slippers", "quy trinh minh slippers", "may trinh minh slippery", "may trinh minh 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: (((("dung java java snippets") or ("may trinh minh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("may trinh minh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( may trinh minh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("may trinh minh slippers"))) or ("locating bug code snippets"))*.