Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nganh » hoc nhanh
danh nhan » doanh nhan, thanh nhan, benh nhan
nganh hoa » thanh hoa, khanh hoa, danh hoa
nhan dan » phan dau, gian dan, nhan tai
hai danh » thai danh, hai anh, hai dang
phoi tai » hoi tai, phi tai, pham tai
su cach » su sach, tu cach, cuu cach
huu mot » cuu mot, huy mot, hieu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi
su cac » tu cac, su cao, su can

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) OR (su cac)) phoi tai, nghien huu mot hoc nganh hoa hoc xa hai danh nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cach) OR (su cac)) phoi tai, nghien huu mot hoc nganh hoa hoc xa hai danh nhan dan".
• Adding a wildcard symbol may retrieve word variants: ((su cach) OR (su cac)) phoi tai, nghien huu mot hoc nganh hoa hoc xa hai danh nhan dan*.