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
hoang van » hang va
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
hoa van » hoa dan, hoa phan, hoa lang
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 ((hoa van) OR (hoang van)) 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 ((hoa van) OR (hoang van)) nhan va".
• Adding a wildcard symbol may retrieve word variants: te cach thuc tap, nghien cua dong hoc doanh hoa hoc ma ((hoa van) OR (hoang van)) nhan va*.