Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
tang luan » dung luan
cong tan » cong tac, cong san, cong thanh
chan cao » chan cho, chat cao, toan cao
chay cao » cay cao, chat cao, nha 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 ((trang cua) or (tang luan)) trong cong tan ((chan cao) or (chay cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh ((trang cua) OR (tang luan)) trong cong tan ((chan cao) OR (chay cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - hanh ((trang cua) or (tang luan)) trong cong tan ((chan cao) or (chay cao))*.