Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nghien cac » nghiep cach, nghien cuu, nghiep cay
chuc nhanh » chuc nganh, chuc hanh, chuoc thanh
cong chuc » cong thuc, cong cu, cong cua
chong hoc » chung hoc, chong doc, thong hoc
mach hoc » cach hoc, dich hoc, anh hoc
cac cong » cua cong
nhan dan » phan dau, gian dan, nhan tai
phan van » pham van, thanh van, luan van
te mach » ke mach, te sach, tim mach
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te mach hoc tap, nghien cac cong chuc nhanh chong hoc mai hoi va ((nhan dan) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cac cong chuc nhanh chong hoc mai hoi va ((nhan dan) OR (phan van))*.