Perhaps you should try some spelling variations:
thieu manh » hieu manh, trieu minh, chieu xanh
nhung cong » dung cong, thong cong, hang cong
tien manh » tien anh, tien thanh, tieng anh
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu manh) OR (tien manh)) - canh tranh va nhung cong dan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu manh) OR (tien manh)) - canh tranh va nhung cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) OR (tien manh)) - canh tranh va nhung cong dan phan dau*.