Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java code snippets" » "using data code snippets", "using java code slippers"
"cong dat sach snippets" » "dong dat sach snippets", "cong dan sach snippets", "cong da sach snippets", "cong mat sach snippets", "cong dat khach snippets", "cong nam sach snippets", "cong dat sach 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: (((("using java code snippets") or ("cong dat sach snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cong dat sach snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cong dat sach snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cong dat sach snippets"))) or ("locating bugs code snippets"))*.