Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
tranh cua » doanh cua, manh cua
dong danh » dong doanh, dong anh, cong danh
dung danh » dung doanh, dung dan, cuong danh
cua dang » cua cong, cua ban
toan tap » toan ban

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 - canh tranh cua dang ((dong danh) OR (dung danh)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - canh tranh cua dang ((dong danh) OR (dung danh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - canh tranh cua dang ((dong danh) OR (dung danh)) toan tap*.