Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
hien danh » thien danh, hien hanh, hien nhanh
dang cong » dung cong
cac dang » cao dang, cac dan, cac cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan tap » phan lap, han tap, pha tap

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 danh - ((hanh trung) or (manh trung)) cac dang cong dan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien danh - ((hanh trung) OR (manh trung)) cac dang cong dan phan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien danh - ((hanh trung) or (manh trung)) cac dang cong dan phan tap*.