Perhaps you should try some spelling variations:
truong hoc » trung hoc, tuong ho, truong bo
nhung loi » nhung bi, nhung gi, nhung bo
doi tuong » doi song
tuong hoc » tuong ho, duong hoc, tuong khoa
que vang » que van, que lang, que quang
hoc cong » hoc co, cac cong, hoc dung
hoc mot » hoc moi
bai quy » tai quy, ban quy, bui quy
quy van » duy van, qua van, quyet van

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung loi que vang. doi tuong hoc mot ) or ( nhung bai quy van. moi truong hoc cong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung loi que vang. doi tuong hoc mot ) OR ( nhung bai quy van. moi truong hoc cong )).
• Adding a wildcard symbol may retrieve word variants: (( nhung loi que vang. doi tuong hoc mot ) or ( nhung bai quy van. moi truong hoc cong ))*.