Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh tran » thanh trang, thanh toan, thanh tra
quang dung » quang trung, ung dung, cuong dung
cong thanh » dong thanh, cong trinh, cong tan
duong manh » duong van
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 - thanh tran quang dung ((cong thanh) or (duong manh)) ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - thanh tran quang dung ((cong thanh) OR (duong manh)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - thanh tran quang dung ((cong thanh) or (duong manh)) ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh tran quang dung ((cong thanh) or (duong manh)) ((toan cau) OR (toan ban))*.