Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua tong, suat thong
cua khong » cua phuong, cua thuong, cua cong
hua khong » hoa khong, hoac khong, phuc khong
dong von » dung von, dong co, dong hoc
von toan » van toan, mon toan, von doanh
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((cua thong) OR (((cua khong) OR (hua khong)))) dong von toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((cua thong) or (((cua khong) OR (hua khong)))) dong von toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((cua thong) or (((cua khong) OR (hua khong)))) dong von toan tap*.