Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach nhanh » cac nganh, cac nhan, cac thanh
canh thin » danh thin, cach thien, manh thinh
coc nhanh » hoc nhanh, doc nhanh, cuoc thanh
thu canh » thuc hanh, thu cong, thu ban
thin tap » thien tai, thien tam, toan tap
khoa hoc » hoa hoc
van tuan » van quan, van ban, anh tuan
hoi van » hoi va, hoi dan, hai van
tuan va » toan va, luan va, quan va
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu canh thin tap, nghien cua cong ((coc nhanh) OR (cach nhanh)) khoa hoc xa hoi van tuan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh thin tap, nghien cua cong ((coc nhanh) OR (cach nhanh)) khoa hoc xa hoi van tuan va".
• Adding a wildcard symbol may retrieve word variants: thu canh thin tap, nghien cua cong ((coc nhanh) OR (cach nhanh)) khoa hoc xa hoi van tuan va*.