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
nhan tai » hang tai, van tai, toan tai
te cach » ve cach, te sach, tu cach
hoi van » hoi va, hoi dan, hai van
nhan va » nhan dan, nhan tao, phan van
ma hoi » mai hoi, xa hoi, ma hoa

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 ((nhan va) OR (nhan tai))~.
• 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 ((nhan va) OR (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: te cach thuc tap, nghien cua dong hoc doanh hoa hoc ma hoi van ((nhan va) OR (nhan tai))*.