Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
thoi tai » thoi dai, hoi tai, phoi tai
cuu cong » cua cong, cac cong
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
su cach » su sach, tu cach, su cac
hoi van » hoi va, hoi dan, hai van
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: su cach thoi tai, nghien ((cuu cong) or (thu cong)) hoc nhanh hoa hoc ma hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach thoi tai, nghien ((cuu cong) OR (thu cong)) hoc nhanh hoa hoc ma hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: su cach thoi tai, nghien ((cuu cong) or (thu cong)) hoc nhanh hoa hoc ma hoi van nhan dan*.