Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
sanh hoi » sach hoi, hanh thoi, sinh hoc
cong hoc » cong hoa, cong coc, cong ho
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
lang tai » lang thai, hang tai, tang tai
so sanh » do sanh
hoi tap » hoi dap, hoc tap, hoi tai
va lang » va nang, hoa lang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh hoi tap, nghien cuu ((cong hoc) OR (dong hoc)) nhanh khoa hoc ma hoi va lang tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh hoi tap, nghien cuu ((cong hoc) OR (dong hoc)) nhanh khoa hoc ma hoi va lang tai".
• Adding a wildcard symbol may retrieve word variants: so sanh hoi tap, nghien cuu ((cong hoc) OR (dong hoc)) nhanh khoa hoc ma hoi va lang tai*.