Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
va huong » va thuong, va phuong, va tuong
phan dau » phan tu, hang dau

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 xanh - thanh trung ((xay dung) or (va huong)) cong doan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung ((xay dung) OR (va huong)) cong doan phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung ((xay dung) or (va huong)) cong doan phan dau*.