Perhaps you should try some spelling variations:
"cong huong code snippets" » "cong thuong code snippets", "cong luong code snippets", "cong hung code snippets", "cong huong co snippets", "cong huong com snippets", "cong huong code slippers"
"hoc using data snippets" » "hoc using java snippets", "hoc using sat snippets", "hoc missing data snippets", "shock using data snippets", "hoc ung data snippets", "hoc sinh data snippets", "hoc using data slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc using data snippets") or ("cong huong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc using data snippets") OR ("cong huong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc using data snippets ) or ( cong huong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc using data snippets") or ("cong huong code snippets"))) or ("locating bug code snippets"))*.