Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
manh cuong » anh huong, manh hung, tang cuong
hien hanh » dieu hanh
dong cong » duong cong, dung cong, dang cong
lao dong » ha dong, van dong
cong dan » cong san, cong tan, huong dan
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: hoc hien hanh - ((manh trung) or (manh cuong)) lao dong cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((manh trung) OR (manh cuong)) lao dong cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((manh trung) or (manh cuong)) lao dong cong dan ((toan cau) or (toan tap))*.