Perhaps you should try some spelling variations:
hoc khanh » hoc nhanh, hoc thanh, hoc hanh
khanh hoa » thanh hoa, hang hoa
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » thu cong, cac cong
cua nhan » ca nhan, cua ngan, cua nha
nhan tai » hang tai, van tai, toan tai
ve dich » va dich, van dich
hoi cua » hoi chuc
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ve dich hoc tap, nghien ((cuu cong) OR (cua cong)) hoc khanh hoa hoc xa hoi cua nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ve dich hoc tap, nghien ((cuu cong) OR (cua cong)) hoc khanh hoa hoc xa hoi cua nhan tai".
• Adding a wildcard symbol may retrieve word variants: ve dich hoc tap, nghien ((cuu cong) OR (cua cong)) hoc khanh hoa hoc xa hoi cua nhan tai*.