Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cao nganh » cac nganh, cau nganh, tao nganh
nganh hoa » thanh hoa, khanh hoa, danh hoa
hach hoc » cach hoc, mach hoc, hoach hoi
cong cao » cong cau, cong cac, cong co
cua nhan » cua ngan, cua nha, cua nhung
tu hach » tu hanh, tu cach, tu sach
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: tu hach hoc tap, nghien thu cong cao nganh hoa hoc xa hoi ((cua nhan) OR (ca nhan)) dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hach hoc tap, nghien thu cong cao nganh hoa hoc xa hoi ((cua nhan) OR (ca nhan)) dan".
• Adding a wildcard symbol may retrieve word variants: tu hach hoc tap, nghien thu cong cao nganh hoa hoc xa hoi ((cua nhan) OR (ca nhan)) dan*.