Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 - hanh trung tuan ((nhung cong) OR (bang cong)) dan ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trung tuan ((nhung cong) OR (bang cong)) dan ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trung tuan ((nhung cong) OR (bang cong)) dan ((toan cau) OR (toan ban))*.