Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh tranh » canh tranh, hanh trinh, hanh trang
huong manh » duong manh, hung manh, phuong danh
luong manh » duong manh, luong thanh, duong minh
phuong anh » phuong hoang
hoc thien » hoc hien, hoc thieu, hoc thiet
tranh cua » doanh cua, manh cua
cua nhung » va nhung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - hanh tranh cua nhung ((((huong manh) OR (luong manh))) or (phuong anh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh tranh cua nhung ((((huong manh) OR (luong manh))) OR (phuong anh)) van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - hanh tranh cua nhung ((((huong manh) OR (luong manh))) or (phuong anh)) van ban*".