Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, cong dong
cong tac » cong ty
chan tu » phan tu, han tu, chon tu

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 - canh tranh cua nhung ((((cong dan) or (huong dan))) or (cong tac)) chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - canh tranh cua nhung ((((cong dan) OR (huong dan))) OR (cong tac)) chan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh tranh cua nhung ((((cong dan) or (huong dan))) or (cong tac)) chan tu*.