Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong sinh cau snippets" » "cong sinh code snippets", "cong vinh cau snippets", "cong tinh cau snippets", "cong binh cau snippets", "cong trinh cau snippets", "cong sinh vat snippets", "cong sinh va snippets"
"dung java java snippets" » "dung va java 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: (((("cong sinh cau snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong sinh cau snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong sinh cau snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong sinh cau snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.