Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung vat code snippets" » "dung va code snippets", "dong vat code snippets", "dung dat code snippets", "dung rate code snippets", "dung vat co snippets", "dung vat de snippets", "dung vat code slippers"
"cong trinh java snippets" » "cong trinh java slippers"

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: (((("cong trinh java snippets") or ("dung vat code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong trinh java snippets") OR ("dung vat code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong trinh java snippets ) or ( dung vat code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong trinh java snippets") or ("dung vat code snippets"))) or ("locating bugs code snippets"))*.