Perhaps you should try some spelling variations:
thieu hanh » thien thanh, thien chanh, thieu khang
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
cong cu » chung cu

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 hanh - thanh cong cu ((nhung cong) or (dung cong)) dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hanh - thanh cong cu ((nhung cong) OR (dung cong)) dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu hanh - thanh cong cu ((nhung cong) or (dung cong)) dan chan cau*.