Perhaps you should try some spelling variations:
qua thanh » quan thanh, qua than, quang thanh
cua thanh » gia thanh, va thanh, ha thanh
hanh dien » nhanh dien, hang dien, danh dien
dien cuc » dien tu, dieu cua, vien cac
te sach » toc sach
cuc tre » duc tre, cua tre, cuu tre
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
soc va » loc va, doc va, goc 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 nang x hoi. hieu ((qua thanh) or (cua thanh)) ((soc va) OR (hoc va)) hanh dien cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang x hoi. hieu ((qua thanh) OR (cua thanh)) ((soc va) OR (hoc va)) hanh dien cuc tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang x hoi. hieu ((qua thanh) or (cua thanh)) ((soc va) OR (hoc va)) hanh dien cuc tre*".