Perhaps you should try some spelling variations:
hinh dinh » binh dinh, trinh dinh, hinh anh
toc sach » hoc sach, doc sach, thuoc sach
pham cuc » pham chuc, pham duc, pham cua
cau tren » cu tren, ca tren, cau treo
ban hinh » bang hinh, ban chinh, ban hanh
dau tren » dau tien, dat tren, dau tieng
cuc ban » cua ban, cac ban, cuu ban
nang xa » nang x, lang xa, nang ma
vu sach » vu bach, su sach, vu khach
hieu d » dieu d, hieu 2, hieu _
d pham » d phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (vu sach)) ky nang xa hoi. hieu d pham cuc ban hinh dinh ((cau tren) OR (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (vu sach)) ky nang xa hoi. hieu d pham cuc ban hinh dinh ((cau tren) OR (dau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (vu sach)) ky nang xa hoi. hieu d pham cuc ban hinh dinh ((cau tren) OR (dau tren))".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (vu sach)) ky nang xa hoi. hieu d pham cuc ban hinh dinh ((cau tren) OR (dau tren))*.