Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, nhung don
toc thien » toc thieu, ton thien, duoc thien
trung cap » truong cao, trung tam
hang cong » dang cong, hang nong, bang cong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thien hach - manh trung cap ((nhung cong) or (hang cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thien hach - manh trung cap ((nhung cong) OR (hang cong)) dan than cau*.