Perhaps you should try some spelling variations:
nghien cac » nghiep cach, nghien cuu, nghiep cay
cach thuc » anh thuc, cac thu
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu cach » thuc cach, thu canh, tu cach
cac cong » cua cong
cong hoc » dong hoc, cong hoa, cong coc
mai hoi » mai khoi, dai hoi, lai hoi
nhan va » nhan tai, nhan dan, nhan tao
ma hoi » xa hoi, ma hoa, me 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 cach thuc pham, nghien cac cong hoc nganh hoa hoc ((ma hoi) OR (mai hoi)) ca nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach thuc pham, nghien cac cong hoc nganh hoa hoc ((ma hoi) OR (mai hoi)) ca nhan va".
• Adding a wildcard symbol may retrieve word variants: thu cach thuc pham, nghien cac cong hoc nganh hoa hoc ((ma hoi) OR (mai hoi)) ca nhan va*.