Perhaps you should try some spelling variations:
danh dien » dinh dien, danh kien, danh lien
qua tham » qua cham, qua than, qua thanh
dien cuc » dien tu, dieu cua, vien cac
sach dao » lanh dao
cuc tre » duc tre, cua tre, cuu tre
sach v » sach va, sach y, sach 2
soc va » hoc va, doc va, goc va
loc va » hoc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach v) or (sach dao)) nang x hoi. hieu qua tham ((soc va) OR (loc va)) danh dien cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach v) OR (sach dao)) nang x hoi. hieu qua tham ((soc va) OR (loc va)) danh dien cuc tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) or (sach dao)) nang x hoi. hieu qua tham ((soc va) OR (loc va)) danh dien cuc tre*".