Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
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: theo dieu hanh - ((nhanh mang) or (hanh trang)) va nhung cong san ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - ((nhanh mang) OR (hanh trang)) va nhung cong san ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu hanh - ((nhanh mang) or (hanh trang)) va nhung cong san ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - ((nhanh mang) or (hanh trang)) va nhung cong san ((toan cau) OR (toan tap))*.