Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
cong tan » cong thanh, cong ty, cong ha
cong tac » cong ty
chan cao » chan cho, chat cao, chay cao

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 - hanh tranh cua trung ((((cong tan) OR (cong san))) or (cong tac)) chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh tranh cua trung ((((cong tan) OR (cong san))) OR (cong tac)) chan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - hanh tranh cua trung ((((cong tan) OR (cong san))) or (cong tac)) chan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - hanh tranh cua trung ((((cong tan) OR (cong san))) or (cong tac)) chan cao*.