Perhaps you should try some spelling variations:
tham nghiem » trac nghiem, thuc nghiem, thi nghiem
hoach tham » hoac tham, hoach thay, sach tham
nghiem bai » nghiem ban, nghiep bai, nghiep tai
dao nghiem » khao nghiem, van nghiem, vao nghien
sach dao » lanh dao
bai hoc » dai hoc
su sach » so sach, vu sach
dau hoc » dai hoc, dan hoc, day hoc
du hoc » tu hoc, duoc hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach tham nghiem bai hoc ) or ( su sach dao nghiem ((dau hoc) OR (du hoc)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tham nghiem bai hoc ) OR ( su sach dao nghiem ((dau hoc) OR (du hoc)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( thu hoach tham nghiem bai hoc ) or ( su sach dao nghiem ((dau hoc) OR (du hoc)) ))*".