Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
cach hoc » cach thuc, cach thoi, dich hoc
cong hoc » cong coc, cong ho, cong hon
cong hoa » dong hoa, hang hoa
dong hoc » dong co, dong luc
dan phan » doan phan, dan chan, van phan
te cach » ve cach, te sach, tu cach
hoi dan » hoa dan, hoc dan, hoi dap
phan va » phan van, nhan va, han 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: te cach hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh dong hoc xa hoi dan phan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh dong hoc xa hoi dan phan va".
• Adding a wildcard symbol may retrieve word variants: te cach hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh dong hoc xa hoi dan phan va*.