Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
van nhan » van phan, van thanh, van khanh
toc sach » hoc sach, doc sach, thuoc sach
luoc van » luoc can, luoc va, luc van
van anh » van thanh, tuan anh, van minh
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
anh ki » anh kinh, anh kiem, anh kien
ki su » ky su
kien » bien, vien, tien

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) OR (toc sach)) ly nang xa hoi. hieu ((van nhan) or (danh nhan)) luoc van anh ki su kien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ly nang xa hoi. hieu ((van nhan) OR (danh nhan)) luoc van anh ki su kien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ly nang xa hoi. hieu ((van nhan) or (danh nhan)) luoc van anh ki su kien".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ly nang xa hoi. hieu ((van nhan) or (danh nhan)) luoc van anh ki su kien*.