Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach thuc » anh thuc, cac thu
hoc doanh » hoa doanh, hoc danh, hoc dan
doanh hoa » doanh khoa, doanh hoan, danh hoa
thuc tap » tuc tap, thuc thai, thuc vat
cua dong » chua dong, cua cong, cua dang
dong hoc » dong co, dong luc
te cach » ve cach, te sach, tu cach
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap
nhan va » nhan tai, nhan dan, nhan tao

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 thuc tap, nghien cua dong hoc doanh hoa hoc ma ((hoi van) OR (hoi dan)) nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach thuc tap, nghien cua dong hoc doanh hoa hoc ma ((hoi van) OR (hoi dan)) nhan va".
• Adding a wildcard symbol may retrieve word variants: te cach thuc tap, nghien cua dong hoc doanh hoa hoc ma ((hoi van) OR (hoi dan)) nhan va*.