Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"chat hoc trinh slippers" » "chat doc trinh slippers", "chat hoc tinh slippers", "chat hoc sinh slippers", "chat hoa trinh slippers", "chat thom trinh slippers", "cho hoc trinh slippers", "chat hoc trinh slippery", "chat hoc trinh 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: (((("dung java java snippets") or ("chat hoc 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 ("chat hoc trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( chat hoc trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("chat hoc trinh slippers"))) or ("locating bug code snippets"))*.