Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
doan phong » doan phuong, dan phong, van phong
phong cong » phong chong, thong cong, chong cong
hoc thieu » toc thieu, hoc hien
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
anh mang » hanh mang, anh bang, anh dang
toan tap » toan ban

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 - ((anh mang) or (tnhh hoang)) doan phong cong vinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((anh mang) OR (tnhh hoang)) doan phong cong vinh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((anh mang) or (tnhh hoang)) doan phong cong vinh toan tap*.