Perhaps you should try some spelling variations:
bach khoa » anh khoa
hieu vien » hieu hien, hieu viec, thieu nien
bach hoa » bach ha, cach hoan, hoach hoa
van danh » van doanh, van anh, van hanh
danh vai » danh sai, danh va, doanh van
cau tren » cu tren, dau tren, ca tren
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
vai cau » va cau, van cau, vai cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu vien ((bach hoa) or (bach khoa)) van danh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu vien ((bach hoa) OR (bach khoa)) van danh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu vien ((bach hoa) or (bach khoa)) van danh vai cau tren*.