Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
doan phan » doanh phan, toan phan, dan phan
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong

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 - canh trinh va thong cong ((doan phan) or (dan ca)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh va thong cong ((doan phan) OR (dan ca)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh va thong cong ((doan phan) or (dan ca)) cau*.