Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trung » thanh trung, hanh trang, manh trung
dung cong » dung trong
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
va dung » van dung, va duong, vat dung

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 - hanh trung va dung cong dan ((((toan cau) OR (toan tai))) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh trung va dung cong dan ((((toan cau) OR (toan tai))) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - hanh trung va dung cong dan ((((toan cau) OR (toan tai))) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh trung va dung cong dan ((((toan cau) OR (toan tai))) or (toan tap))*.