Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, phong chong
quang toan » quang tuan, quang doan, quang hoan
quang tran » quang tuan, quang trung, quang thanh
hoc thieu » toc thieu, hoc hien
trinh ve » trinh he, trinh va, trinh vi

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 - hanh trinh ve ((thong cong) or (thong thong)) ((quang toan) OR (quang tran)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ve ((thong cong) OR (thong thong)) ((quang toan) OR (quang tran)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ve ((thong cong) or (thong thong)) ((quang toan) OR (quang tran)) cau*".