Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
theo chieu » theo tieu, ho chieu, thi chieu
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
thong dan » thong van, thong den, trong dan
tuong dan » huong dan, tung dan, xuong dan
theo chu » cho chu, chao chu, theo yeu
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo chu)) tinh - hanh tranh cua khong ((thong dan) or (tuong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) tinh - hanh tranh cua khong ((thong dan) OR (tuong dan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) tinh - hanh tranh cua khong ((thong dan) or (tuong dan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) tinh - hanh tranh cua khong ((thong dan) or (tuong dan)) toan cao*.