Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
nhung cong » thong cong, nhung don, nhung lang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
hang cong » dang cong, hang nong, bang cong
vat phan » va phan, van phan, sat phan
phan cau » phan dau, phan cac, phan 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 doanh luan ((((nhung cong) OR (dung cong))) or (hang cong)) vat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - canh doanh luan ((((nhung cong) OR (dung cong))) OR (hang cong)) vat phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - canh doanh luan ((((nhung cong) OR (dung cong))) or (hang cong)) vat phan cau*".