Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
tran thanh » ban thanh, van thanh, quan thanh
hoc nganh » hoc nhanh
tran tuan » tran xuan, tran quang, tranh luan
thu sinh » thu minh, thu kinh, thuoc sinh
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sinh hoc tap, nghien cuu cong hoc nganh khoa hoc xa hai ((tran tuan) OR (tran thanh)) san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sinh hoc tap, nghien cuu cong hoc nganh khoa hoc xa hai ((tran tuan) OR (tran thanh)) san".
• Adding a wildcard symbol may retrieve word variants: thu sinh hoc tap, nghien cuu cong hoc nganh khoa hoc xa hai ((tran tuan) OR (tran thanh)) san*.