Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thuc » anh thuc, cac thu
hoc nganh » hoc nhanh
thuc tai » thuc thai, thuoc tai, thuc tap
khoa hoc » hoa hoc
phat van » pham van, phan van, phap van
tu cach » tu cac
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
mai hoi » mai khoi, dai hoi, mai doi
lai hoi » dai hoi, lai hoa, lai roi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thuc tai, nghien cuu mot hoc nganh khoa hoc ((mai hoi) or (lai hoi)) va phat van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thuc tai, nghien cuu mot hoc nganh khoa hoc ((mai hoi) OR (lai hoi)) va phat van.
• Adding a wildcard symbol may retrieve word variants: tu cach thuc tai, nghien cuu mot hoc nganh khoa hoc ((mai hoi) or (lai hoi)) va phat van*.