Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
thu oanh » thuy oanh, thi oanh, thu canh
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan dan » phan dau, gian dan, nhan tai
thu anh » thuy anh, thu canh, tu anh
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu anh) OR (thu oanh)) hoc tap, nghien cuu mot hoc nganh khong thuoc xa hoi ca nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu anh) OR (thu oanh)) hoc tap, nghien cuu mot hoc nganh khong thuoc xa hoi ca nhan dan".
• Adding a wildcard symbol may retrieve word variants: ((thu anh) OR (thu oanh)) hoc tap, nghien cuu mot hoc nganh khong thuoc xa hoi ca nhan dan*.