Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
theo thong » theo phong, theo phuong, theo chuong
hoc thieu » toc thieu, hoc hien
che thong » he thong, nghe thong, chet trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh tap » thanh lap, thanh tai, thanh tay
hanh han » hanh nhan, hanh phan, hanh san
cong tan » cong tac, cong san, cong thanh

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 han ((che thong) or (theo thong)) cong tan thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh han ((che thong) OR (theo thong)) cong tan thanh tap*.