Perhaps you should try some spelling variations:
nhung thi » nhung thoi, nhung tri, nhung chi
doi tuong » moi truong, doi song
tuong loi » tuong lai, duong loi, tuong voi
tuong hoc » truong hoc, tuong ho, duong hoc
que lang » quet lang, quan lang, que quang
thi quan » thi xuan, tri quan, thi luan
quan van » luan van, quan va, quan luan
thi que » thi hue, thi quy, nghi que
hoc mon » hoc moi, hoc mot, hoc cong
loi o » loi co, hoi o, oi o

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thi que lang. doi tuong loi o ) or ( phung thi quan van. doi tuong hoc mon ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thi que lang. doi tuong loi o ) OR ( phung thi quan van. doi tuong hoc mon )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thi que lang. doi tuong loi o ) or ( phung thi quan van. doi tuong hoc mon ))*.