Perhaps you should try some spelling variations:
"dung dang thi snippets" » "dung dan thi snippets", "dung dong thi snippets", "dung danh thi snippets", "dung hoang thi snippets", "dung dang khoi snippets", "dung dang thi slippers"
"hanh va java snippets" » "hang va java snippets", "hanh vi java snippets", "hanh java java snippets", "hanh va java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("hanh va java snippets") or ("dung dang thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh va java snippets") OR ("dung dang thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh va java snippets ) or ( dung dang thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh va java snippets") or ("dung dang thi snippets"))) or ("locating bug code snippets"))*.