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