Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hien nhanh » hien hanh, tien thanh, dien thanh
bang huong » bang phuong, bang suong, bang tuong
tranh cua » doanh cua, manh cua
ban huong » bang phuong, ban hang, anh huong
dan toan » van toan, dan than, manh toan
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 ((hien nhanh) OR (thien thanh)) - canh tranh cua ((bang huong) or (ban huong)) dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua ((bang huong) OR (ban huong)) dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua ((bang huong) or (ban huong)) dan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua ((bang huong) or (ban huong)) dan toan tap*.