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